From 92b42e06f943338ce8b54b7e22cbb116ff598fa6 Mon Sep 17 00:00:00 2001 From: Titus Wormer Date: Thu, 7 Jul 2022 18:56:06 +0200 Subject: Refactor to move token types to `token` --- src/compiler.rs | 267 +++-- src/construct/attention.rs | 59 +- src/construct/autolink.rs | 33 +- src/construct/blank_line.rs | 2 +- src/construct/block_quote.rs | 31 +- src/construct/character_escape.rs | 21 +- src/construct/character_reference.rs | 43 +- src/construct/code_fenced.rs | 79 +- src/construct/code_indented.rs | 23 +- src/construct/code_text.rs | 40 +- src/construct/definition.rs | 67 +- src/construct/hard_break_escape.rs | 15 +- src/construct/hard_break_trailing.rs | 15 +- src/construct/heading_atx.rs | 39 +- src/construct/heading_setext.rs | 33 +- src/construct/html_flow.rs | 31 +- src/construct/html_text.rs | 23 +- src/construct/label_end.rs | 129 +-- src/construct/label_start_image.rs | 21 +- src/construct/label_start_link.rs | 15 +- src/construct/paragraph.rs | 27 +- src/construct/partial_data.rs | 17 +- src/construct/partial_destination.rs | 23 +- src/construct/partial_label.rs | 15 +- src/construct/partial_space_or_tab.rs | 15 +- src/construct/partial_title.rs | 15 +- src/construct/thematic_break.rs | 15 +- src/content/document.rs | 11 +- src/content/flow.rs | 11 +- src/lib.rs | 1 + src/token.rs | 1768 ++++++++++++++++++++++++++++++++ src/tokenizer.rs | 1780 +-------------------------------- src/util/skip.rs | 9 +- 33 files changed, 2354 insertions(+), 2339 deletions(-) create mode 100644 src/token.rs diff --git a/src/compiler.rs b/src/compiler.rs index 2b6eafa..d675c48 100644 --- a/src/compiler.rs +++ b/src/compiler.rs @@ -1,7 +1,8 @@ //! Turn events into a string of HTML. use crate::constant::{SAFE_PROTOCOL_HREF, SAFE_PROTOCOL_SRC}; use crate::construct::character_reference::Kind as CharacterReferenceKind; -use crate::tokenizer::{Code, Event, EventType, TokenType}; +use crate::token::Token; +use crate::tokenizer::{Code, Event, EventType}; use crate::util::normalize_identifier::normalize_identifier; use crate::util::{ decode_character_reference::{decode_named, decode_numeric}, @@ -218,8 +219,8 @@ pub struct Options { /// The current event is available at `context.events[context.index]`. type Handle = fn(&mut CompileContext); -/// Map of [`TokenType`][] to [`Handle`][]. -type Map = HashMap; +/// Map of [`Token`][] to [`Handle`][]. +type Map = HashMap; /// Context used to compile markdown. #[allow(clippy::struct_excessive_bools)] @@ -386,9 +387,9 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { let event = &events[index]; if event.event_type == EventType::Exit - && (event.token_type == TokenType::BlankLineEnding - || event.token_type == TokenType::CodeTextLineEnding - || event.token_type == TokenType::LineEnding) + && (event.token_type == Token::BlankLineEnding + || event.token_type == Token::CodeTextLineEnding + || event.token_type == Token::LineEnding) { let codes = codes_from_span(codes, &from_exit_event(events, index)); line_ending_inferred = Some(LineEnding::from_code(*codes.first().unwrap())); @@ -409,118 +410,112 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { let mut enter_map: Map = HashMap::new(); - enter_map.insert(TokenType::BlockQuote, on_enter_block_quote); - enter_map.insert(TokenType::CodeIndented, on_enter_code_indented); - enter_map.insert(TokenType::CodeFenced, on_enter_code_fenced); - enter_map.insert(TokenType::CodeFencedFenceInfo, on_enter_buffer); - enter_map.insert(TokenType::CodeFencedFenceMeta, on_enter_buffer); - enter_map.insert(TokenType::CodeText, on_enter_code_text); - enter_map.insert(TokenType::Definition, on_enter_definition); + enter_map.insert(Token::BlockQuote, on_enter_block_quote); + enter_map.insert(Token::CodeIndented, on_enter_code_indented); + enter_map.insert(Token::CodeFenced, on_enter_code_fenced); + enter_map.insert(Token::CodeFencedFenceInfo, on_enter_buffer); + enter_map.insert(Token::CodeFencedFenceMeta, on_enter_buffer); + enter_map.insert(Token::CodeText, on_enter_code_text); + enter_map.insert(Token::Definition, on_enter_definition); enter_map.insert( - TokenType::DefinitionDestinationString, + Token::DefinitionDestinationString, on_enter_definition_destination_string, ); - enter_map.insert(TokenType::DefinitionLabelString, on_enter_buffer); - enter_map.insert(TokenType::DefinitionTitleString, on_enter_buffer); - enter_map.insert(TokenType::Emphasis, on_enter_emphasis); - enter_map.insert(TokenType::HeadingAtxText, on_enter_buffer); - enter_map.insert(TokenType::HeadingSetextText, on_enter_buffer); - enter_map.insert(TokenType::HtmlFlow, on_enter_html_flow); - enter_map.insert(TokenType::HtmlText, on_enter_html_text); - enter_map.insert(TokenType::Image, on_enter_image); - enter_map.insert(TokenType::Label, on_enter_buffer); - enter_map.insert(TokenType::Link, on_enter_link); - enter_map.insert(TokenType::Paragraph, on_enter_paragraph); - enter_map.insert(TokenType::ReferenceString, on_enter_buffer); - enter_map.insert(TokenType::Resource, on_enter_resource); + enter_map.insert(Token::DefinitionLabelString, on_enter_buffer); + enter_map.insert(Token::DefinitionTitleString, on_enter_buffer); + enter_map.insert(Token::Emphasis, on_enter_emphasis); + enter_map.insert(Token::HeadingAtxText, on_enter_buffer); + enter_map.insert(Token::HeadingSetextText, on_enter_buffer); + enter_map.insert(Token::HtmlFlow, on_enter_html_flow); + enter_map.insert(Token::HtmlText, on_enter_html_text); + enter_map.insert(Token::Image, on_enter_image); + enter_map.insert(Token::Label, on_enter_buffer); + enter_map.insert(Token::Link, on_enter_link); + enter_map.insert(Token::Paragraph, on_enter_paragraph); + enter_map.insert(Token::ReferenceString, on_enter_buffer); + enter_map.insert(Token::Resource, on_enter_resource); enter_map.insert( - TokenType::ResourceDestinationString, + Token::ResourceDestinationString, on_enter_resource_destination_string, ); - enter_map.insert(TokenType::ResourceTitleString, on_enter_buffer); - enter_map.insert(TokenType::Strong, on_enter_strong); + enter_map.insert(Token::ResourceTitleString, on_enter_buffer); + enter_map.insert(Token::Strong, on_enter_strong); let mut exit_map: Map = HashMap::new(); - exit_map.insert(TokenType::AutolinkEmail, on_exit_autolink_email); - exit_map.insert(TokenType::AutolinkProtocol, on_exit_autolink_protocol); - exit_map.insert(TokenType::BlockQuote, on_exit_block_quote); - exit_map.insert(TokenType::CharacterEscapeValue, on_exit_data); + exit_map.insert(Token::AutolinkEmail, on_exit_autolink_email); + exit_map.insert(Token::AutolinkProtocol, on_exit_autolink_protocol); + exit_map.insert(Token::BlockQuote, on_exit_block_quote); + exit_map.insert(Token::CharacterEscapeValue, on_exit_data); exit_map.insert( - TokenType::CharacterReferenceMarker, + Token::CharacterReferenceMarker, on_exit_character_reference_marker, ); exit_map.insert( - TokenType::CharacterReferenceMarkerNumeric, + Token::CharacterReferenceMarkerNumeric, on_exit_character_reference_marker_numeric, ); exit_map.insert( - TokenType::CharacterReferenceMarkerHexadecimal, + Token::CharacterReferenceMarkerHexadecimal, on_exit_character_reference_marker_hexadecimal, ); exit_map.insert( - TokenType::CharacterReferenceValue, + Token::CharacterReferenceValue, on_exit_character_reference_value, ); - exit_map.insert(TokenType::CodeFenced, on_exit_code_flow); - exit_map.insert(TokenType::CodeFencedFence, on_exit_code_fenced_fence); + exit_map.insert(Token::CodeFenced, on_exit_code_flow); + exit_map.insert(Token::CodeFencedFence, on_exit_code_fenced_fence); + exit_map.insert(Token::CodeFencedFenceInfo, on_exit_code_fenced_fence_info); + exit_map.insert(Token::CodeFencedFenceMeta, on_exit_drop); + exit_map.insert(Token::CodeFlowChunk, on_exit_code_flow_chunk); + exit_map.insert(Token::CodeIndented, on_exit_code_flow); + exit_map.insert(Token::CodeText, on_exit_code_text); + exit_map.insert(Token::CodeTextData, on_exit_data); + exit_map.insert(Token::CodeTextLineEnding, on_exit_code_text_line_ending); + exit_map.insert(Token::Data, on_exit_data); + exit_map.insert(Token::Definition, on_exit_definition); exit_map.insert( - TokenType::CodeFencedFenceInfo, - on_exit_code_fenced_fence_info, - ); - exit_map.insert(TokenType::CodeFencedFenceMeta, on_exit_drop); - exit_map.insert(TokenType::CodeFlowChunk, on_exit_code_flow_chunk); - exit_map.insert(TokenType::CodeIndented, on_exit_code_flow); - exit_map.insert(TokenType::CodeText, on_exit_code_text); - exit_map.insert(TokenType::CodeTextData, on_exit_data); - exit_map.insert(TokenType::CodeTextLineEnding, on_exit_code_text_line_ending); - exit_map.insert(TokenType::Data, on_exit_data); - exit_map.insert(TokenType::Definition, on_exit_definition); - exit_map.insert( - TokenType::DefinitionDestinationString, + Token::DefinitionDestinationString, on_exit_definition_destination_string, ); exit_map.insert( - TokenType::DefinitionLabelString, + Token::DefinitionLabelString, on_exit_definition_label_string, ); exit_map.insert( - TokenType::DefinitionTitleString, + Token::DefinitionTitleString, on_exit_definition_title_string, ); - exit_map.insert(TokenType::Emphasis, on_exit_emphasis); - - exit_map.insert(TokenType::HardBreakEscape, on_exit_break); - exit_map.insert(TokenType::HardBreakTrailing, on_exit_break); - exit_map.insert(TokenType::HeadingAtx, on_exit_heading_atx); - exit_map.insert(TokenType::HeadingAtxSequence, on_exit_heading_atx_sequence); - exit_map.insert(TokenType::HeadingAtxText, on_exit_heading_atx_text); - exit_map.insert(TokenType::HeadingSetextText, on_exit_heading_setext_text); + exit_map.insert(Token::Emphasis, on_exit_emphasis); + + exit_map.insert(Token::HardBreakEscape, on_exit_break); + exit_map.insert(Token::HardBreakTrailing, on_exit_break); + exit_map.insert(Token::HeadingAtx, on_exit_heading_atx); + exit_map.insert(Token::HeadingAtxSequence, on_exit_heading_atx_sequence); + exit_map.insert(Token::HeadingAtxText, on_exit_heading_atx_text); + exit_map.insert(Token::HeadingSetextText, on_exit_heading_setext_text); exit_map.insert( - TokenType::HeadingSetextUnderline, + Token::HeadingSetextUnderline, on_exit_heading_setext_underline, ); - exit_map.insert(TokenType::HtmlFlow, on_exit_html); - exit_map.insert(TokenType::HtmlText, on_exit_html); - exit_map.insert(TokenType::HtmlFlowData, on_exit_html_data); - exit_map.insert(TokenType::HtmlTextData, on_exit_html_data); - exit_map.insert(TokenType::Image, on_exit_media); - exit_map.insert(TokenType::Label, on_exit_label); - exit_map.insert(TokenType::LabelText, on_exit_label_text); - exit_map.insert(TokenType::LineEnding, on_exit_line_ending); - exit_map.insert(TokenType::Link, on_exit_media); - exit_map.insert(TokenType::Paragraph, on_exit_paragraph); - exit_map.insert(TokenType::ReferenceString, on_exit_reference_string); - exit_map.insert(TokenType::Resource, on_exit_drop); + exit_map.insert(Token::HtmlFlow, on_exit_html); + exit_map.insert(Token::HtmlText, on_exit_html); + exit_map.insert(Token::HtmlFlowData, on_exit_html_data); + exit_map.insert(Token::HtmlTextData, on_exit_html_data); + exit_map.insert(Token::Image, on_exit_media); + exit_map.insert(Token::Label, on_exit_label); + exit_map.insert(Token::LabelText, on_exit_label_text); + exit_map.insert(Token::LineEnding, on_exit_line_ending); + exit_map.insert(Token::Link, on_exit_media); + exit_map.insert(Token::Paragraph, on_exit_paragraph); + exit_map.insert(Token::ReferenceString, on_exit_reference_string); + exit_map.insert(Token::Resource, on_exit_drop); exit_map.insert( - TokenType::ResourceDestinationString, + Token::ResourceDestinationString, on_exit_resource_destination_string, ); - exit_map.insert( - TokenType::ResourceTitleString, - on_exit_resource_title_string, - ); - exit_map.insert(TokenType::Strong, on_exit_strong); - exit_map.insert(TokenType::ThematicBreak, on_exit_thematic_break); + exit_map.insert(Token::ResourceTitleString, on_exit_resource_title_string); + exit_map.insert(Token::Strong, on_exit_strong); + exit_map.insert(Token::ThematicBreak, on_exit_thematic_break); // Handle one event. let handle = |context: &mut CompileContext, index: usize| { @@ -556,7 +551,7 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { handle(&mut context, index); } - if event.token_type == TokenType::Definition { + if event.token_type == Token::Definition { if event.event_type == EventType::Enter { handle(&mut context, index); // Also handle start. definition_inside = true; @@ -607,21 +602,21 @@ fn on_enter_buffer(context: &mut CompileContext) { context.buffer(); } -/// Handle [`Enter`][EventType::Enter]:[`BlockQuote`][TokenType::BlockQuote]. +/// Handle [`Enter`][EventType::Enter]:[`BlockQuote`][Token::BlockQuote]. fn on_enter_block_quote(context: &mut CompileContext) { // tightStack.push(false) context.line_ending_if_needed(); context.tag("
".to_string()); } -/// Handle [`Enter`][EventType::Enter]:[`CodeIndented`][TokenType::CodeIndented]. +/// Handle [`Enter`][EventType::Enter]:[`CodeIndented`][Token::CodeIndented]. fn on_enter_code_indented(context: &mut CompileContext) { context.code_flow_seen_data = Some(false); context.line_ending_if_needed(); context.tag("
".to_string());
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`CodeFenced`][TokenType::CodeFenced].
+/// Handle [`Enter`][EventType::Enter]:[`CodeFenced`][Token::CodeFenced].
 fn on_enter_code_fenced(context: &mut CompileContext) {
     context.code_flow_seen_data = Some(false);
     context.line_ending_if_needed();
@@ -630,13 +625,13 @@ fn on_enter_code_fenced(context: &mut CompileContext) {
     context.code_fenced_fences_count = Some(0);
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`CodeText`][TokenType::CodeText].
+/// Handle [`Enter`][EventType::Enter]:[`CodeText`][Token::CodeText].
 fn on_enter_code_text(context: &mut CompileContext) {
     context.tag("".to_string());
     context.buffer();
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Definition`][TokenType::Definition].
+/// Handle [`Enter`][EventType::Enter]:[`Definition`][Token::Definition].
 fn on_enter_definition(context: &mut CompileContext) {
     context.buffer();
     context.media_stack.push(Media {
@@ -649,18 +644,18 @@ fn on_enter_definition(context: &mut CompileContext) {
     });
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`DefinitionDestinationString`][TokenType::DefinitionDestinationString].
+/// Handle [`Enter`][EventType::Enter]:[`DefinitionDestinationString`][Token::DefinitionDestinationString].
 fn on_enter_definition_destination_string(context: &mut CompileContext) {
     context.buffer();
     context.ignore_encode = true;
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Emphasis`][TokenType::Emphasis].
+/// Handle [`Enter`][EventType::Enter]:[`Emphasis`][Token::Emphasis].
 fn on_enter_emphasis(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`HtmlFlow`][TokenType::HtmlFlow].
+/// Handle [`Enter`][EventType::Enter]:[`HtmlFlow`][Token::HtmlFlow].
 fn on_enter_html_flow(context: &mut CompileContext) {
     context.line_ending_if_needed();
     if context.allow_dangerous_html {
@@ -668,14 +663,14 @@ fn on_enter_html_flow(context: &mut CompileContext) {
     }
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`HtmlText`][TokenType::HtmlText].
+/// Handle [`Enter`][EventType::Enter]:[`HtmlText`][Token::HtmlText].
 fn on_enter_html_text(context: &mut CompileContext) {
     if context.allow_dangerous_html {
         context.ignore_encode = true;
     }
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Image`][TokenType::Image].
+/// Handle [`Enter`][EventType::Enter]:[`Image`][Token::Image].
 fn on_enter_image(context: &mut CompileContext) {
     context.media_stack.push(Media {
         image: true,
@@ -688,7 +683,7 @@ fn on_enter_image(context: &mut CompileContext) {
     context.tags = false; // Disallow tags.
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Link`][TokenType::Link].
+/// Handle [`Enter`][EventType::Enter]:[`Link`][Token::Link].
 fn on_enter_link(context: &mut CompileContext) {
     context.media_stack.push(Media {
         image: false,
@@ -700,20 +695,20 @@ fn on_enter_link(context: &mut CompileContext) {
     });
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Paragraph`][TokenType::Paragraph].
+/// Handle [`Enter`][EventType::Enter]:[`Paragraph`][Token::Paragraph].
 fn on_enter_paragraph(context: &mut CompileContext) {
     context.line_ending_if_needed();
     context.tag("
".to_string());
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Resource`][TokenType::Resource].
+/// Handle [`Enter`][EventType::Enter]:[`Resource`][Token::Resource].
 fn on_enter_resource(context: &mut CompileContext) {
     context.buffer(); // We can have line endings in the resource, ignore them.
     let media = context.media_stack.last_mut().unwrap();
     media.destination = Some("".to_string());
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`ResourceDestinationString`][TokenType::ResourceDestinationString].
+/// Handle [`Enter`][EventType::Enter]:[`ResourceDestinationString`][Token::ResourceDestinationString].
 fn on_enter_resource_destination_string(context: &mut CompileContext) {
     context.buffer();
     // Ignore encoding the result, as we’ll first percent encode the url and
@@ -721,12 +716,12 @@ fn on_enter_resource_destination_string(context: &mut CompileContext) {
     context.ignore_encode = true;
 }
 
-/// Handle [`Enter`][EventType::Enter]:[`Strong`][TokenType::Strong].
+/// Handle [`Enter`][EventType::Enter]:[`Strong`][Token::Strong].
 fn on_enter_strong(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`AutolinkEmail`][TokenType::AutolinkEmail].
+/// Handle [`Exit`][EventType::Exit]:[`AutolinkEmail`][Token::AutolinkEmail].
 fn on_exit_autolink_email(context: &mut CompileContext) {
     let slice = serialize(
         context.codes,
@@ -744,7 +739,7 @@ fn on_exit_autolink_email(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`AutolinkProtocol`][TokenType::AutolinkProtocol].
+/// Handle [`Exit`][EventType::Exit]:[`AutolinkProtocol`][Token::AutolinkProtocol].
 fn on_exit_autolink_protocol(context: &mut CompileContext) {
     let slice = serialize(
         context.codes,
@@ -759,12 +754,12 @@ fn on_exit_autolink_protocol(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`HardBreakEscape`][TokenType::HardBreakEscape],[`HardBreakTrailing`][TokenType::HardBreakTrailing]}.
+/// Handle [`Exit`][EventType::Exit]:{[`HardBreakEscape`][Token::HardBreakEscape],[`HardBreakTrailing`][Token::HardBreakTrailing]}.
 fn on_exit_break(context: &mut CompileContext) {
     context.tag("
".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`BlockQuote`][TokenType::BlockQuote].
+/// Handle [`Exit`][EventType::Exit]:[`BlockQuote`][Token::BlockQuote].
 fn on_exit_block_quote(context: &mut CompileContext) {
     // tightStack.pop()
     context.line_ending_if_needed();
@@ -772,22 +767,22 @@ fn on_exit_block_quote(context: &mut CompileContext) {
     // let mut slurp_all_line_endings = false;
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarker`][TokenType::CharacterReferenceMarker].
+/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarker`][Token::CharacterReferenceMarker].
 fn on_exit_character_reference_marker(context: &mut CompileContext) {
     context.character_reference_kind = Some(CharacterReferenceKind::Named);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarkerHexadecimal`][TokenType::CharacterReferenceMarkerHexadecimal].
+/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarkerHexadecimal`][Token::CharacterReferenceMarkerHexadecimal].
 fn on_exit_character_reference_marker_hexadecimal(context: &mut CompileContext) {
     context.character_reference_kind = Some(CharacterReferenceKind::Hexadecimal);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarkerNumeric`][TokenType::CharacterReferenceMarkerNumeric].
+/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceMarkerNumeric`][Token::CharacterReferenceMarkerNumeric].
 fn on_exit_character_reference_marker_numeric(context: &mut CompileContext) {
     context.character_reference_kind = Some(CharacterReferenceKind::Decimal);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceValue`][TokenType::CharacterReferenceValue].
+/// Handle [`Exit`][EventType::Exit]:[`CharacterReferenceValue`][Token::CharacterReferenceValue].
 fn on_exit_character_reference_value(context: &mut CompileContext) {
     let kind = context
         .character_reference_kind
@@ -808,7 +803,7 @@ fn on_exit_character_reference_value(context: &mut CompileContext) {
     context.push(context.encode_opt(&value));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CodeFlowChunk`][TokenType::CodeFlowChunk].
+/// Handle [`Exit`][EventType::Exit]:[`CodeFlowChunk`][Token::CodeFlowChunk].
 fn on_exit_code_flow_chunk(context: &mut CompileContext) {
     context.code_flow_seen_data = Some(true);
     context.push(context.encode_opt(&serialize(
@@ -818,7 +813,7 @@ fn on_exit_code_flow_chunk(context: &mut CompileContext) {
     )));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CodeFencedFence`][TokenType::CodeFencedFence].
+/// Handle [`Exit`][EventType::Exit]:[`CodeFencedFence`][Token::CodeFencedFence].
 fn on_exit_code_fenced_fence(context: &mut CompileContext) {
     let count = if let Some(count) = context.code_fenced_fences_count {
         count
@@ -834,13 +829,13 @@ fn on_exit_code_fenced_fence(context: &mut CompileContext) {
     context.code_fenced_fences_count = Some(count + 1);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CodeFencedFenceInfo`][TokenType::CodeFencedFenceInfo].
+/// Handle [`Exit`][EventType::Exit]:[`CodeFencedFenceInfo`][Token::CodeFencedFenceInfo].
 fn on_exit_code_fenced_fence_info(context: &mut CompileContext) {
     let value = context.resume();
     context.tag(format!(" class=\"language-{}\"", value));
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`CodeFenced`][TokenType::CodeFenced],[`CodeIndented`][TokenType::CodeIndented]}.
+/// Handle [`Exit`][EventType::Exit]:{[`CodeFenced`][Token::CodeFenced],[`CodeIndented`][Token::CodeIndented]}.
 fn on_exit_code_flow(context: &mut CompileContext) {
     let seen_data = context
         .code_flow_seen_data
@@ -874,7 +869,7 @@ fn on_exit_code_flow(context: &mut CompileContext) {
     context.slurp_one_line_ending = false;
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CodeText`][TokenType::CodeText].
+/// Handle [`Exit`][EventType::Exit]:[`CodeText`][Token::CodeText].
 fn on_exit_code_text(context: &mut CompileContext) {
     let result = context.resume();
     let mut chars = result.chars();
@@ -898,7 +893,7 @@ fn on_exit_code_text(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`CodeTextLineEnding`][TokenType::CodeTextLineEnding].
+/// Handle [`Exit`][EventType::Exit]:[`CodeTextLineEnding`][Token::CodeTextLineEnding].
 fn on_exit_code_text_line_ending(context: &mut CompileContext) {
     context.push(" ".to_string());
 }
@@ -910,7 +905,7 @@ fn on_exit_drop(context: &mut CompileContext) {
     context.resume();
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`CodeTextData`][TokenType::CodeTextData],[`Data`][TokenType::Data],[`CharacterEscapeValue`][TokenType::CharacterEscapeValue]}.
+/// Handle [`Exit`][EventType::Exit]:{[`CodeTextData`][Token::CodeTextData],[`Data`][Token::Data],[`CharacterEscapeValue`][Token::CharacterEscapeValue]}.
 fn on_exit_data(context: &mut CompileContext) {
     // Just output it.
     context.push(context.encode_opt(&serialize(
@@ -920,7 +915,7 @@ fn on_exit_data(context: &mut CompileContext) {
     )));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`Definition`][TokenType::Definition].
+/// Handle [`Exit`][EventType::Exit]:[`Definition`][Token::Definition].
 fn on_exit_definition(context: &mut CompileContext) {
     let definition = context.media_stack.pop().unwrap();
     let reference_id = normalize_identifier(&definition.reference_id.unwrap());
@@ -935,7 +930,7 @@ fn on_exit_definition(context: &mut CompileContext) {
         .or_insert(Definition { destination, title });
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`DefinitionDestinationString`][TokenType::DefinitionDestinationString].
+/// Handle [`Exit`][EventType::Exit]:[`DefinitionDestinationString`][Token::DefinitionDestinationString].
 fn on_exit_definition_destination_string(context: &mut CompileContext) {
     let buf = context.resume();
     let definition = context.media_stack.last_mut().unwrap();
@@ -943,7 +938,7 @@ fn on_exit_definition_destination_string(context: &mut CompileContext) {
     context.ignore_encode = false;
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`DefinitionLabelString`][TokenType::DefinitionLabelString].
+/// Handle [`Exit`][EventType::Exit]:[`DefinitionLabelString`][Token::DefinitionLabelString].
 fn on_exit_definition_label_string(context: &mut CompileContext) {
     // Discard label, use the source content instead.
     context.resume();
@@ -955,19 +950,19 @@ fn on_exit_definition_label_string(context: &mut CompileContext) {
     ));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`DefinitionTitleString`][TokenType::DefinitionTitleString].
+/// Handle [`Exit`][EventType::Exit]:[`DefinitionTitleString`][Token::DefinitionTitleString].
 fn on_exit_definition_title_string(context: &mut CompileContext) {
     let buf = context.resume();
     let definition = context.media_stack.last_mut().unwrap();
     definition.title = Some(buf);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`Strong`][TokenType::Emphasis].
+/// Handle [`Exit`][EventType::Exit]:[`Strong`][Token::Emphasis].
 fn on_exit_emphasis(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`HeadingAtx`][TokenType::HeadingAtx].
+/// Handle [`Exit`][EventType::Exit]:[`HeadingAtx`][Token::HeadingAtx].
 fn on_exit_heading_atx(context: &mut CompileContext) {
     let rank = context
         .atx_opening_sequence_size
@@ -977,7 +972,7 @@ fn on_exit_heading_atx(context: &mut CompileContext) {
     context.tag(format!("", rank));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`HeadingAtxSequence`][TokenType::HeadingAtxSequence].
+/// Handle [`Exit`][EventType::Exit]:[`HeadingAtxSequence`][Token::HeadingAtxSequence].
 fn on_exit_heading_atx_sequence(context: &mut CompileContext) {
     // First fence we see.
     if context.atx_opening_sequence_size.is_none() {
@@ -993,20 +988,20 @@ fn on_exit_heading_atx_sequence(context: &mut CompileContext) {
     }
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`HeadingAtxText`][TokenType::HeadingAtxText].
+/// Handle [`Exit`][EventType::Exit]:[`HeadingAtxText`][Token::HeadingAtxText].
 fn on_exit_heading_atx_text(context: &mut CompileContext) {
     let value = context.resume();
     context.push(value);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`HeadingSetextText`][TokenType::HeadingSetextText].
+/// Handle [`Exit`][EventType::Exit]:[`HeadingSetextText`][Token::HeadingSetextText].
 fn on_exit_heading_setext_text(context: &mut CompileContext) {
     let buf = context.resume();
     context.heading_setext_buffer = Some(buf);
     context.slurp_one_line_ending = true;
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`HeadingSetextUnderline`][TokenType::HeadingSetextUnderline].
+/// Handle [`Exit`][EventType::Exit]:[`HeadingSetextUnderline`][Token::HeadingSetextUnderline].
 fn on_exit_heading_setext_underline(context: &mut CompileContext) {
     let text = context
         .heading_setext_buffer
@@ -1024,12 +1019,12 @@ fn on_exit_heading_setext_underline(context: &mut CompileContext) {
     context.tag(format!("", level));
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`HtmlFlow`][TokenType::HtmlFlow],[`HtmlText`][TokenType::HtmlText]}.
+/// Handle [`Exit`][EventType::Exit]:{[`HtmlFlow`][Token::HtmlFlow],[`HtmlText`][Token::HtmlText]}.
 fn on_exit_html(context: &mut CompileContext) {
     context.ignore_encode = false;
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`HtmlFlowData`][TokenType::HtmlFlowData],[`HtmlTextData`][TokenType::HtmlTextData]}.
+/// Handle [`Exit`][EventType::Exit]:{[`HtmlFlowData`][Token::HtmlFlowData],[`HtmlTextData`][Token::HtmlTextData]}.
 fn on_exit_html_data(context: &mut CompileContext) {
     let slice = serialize(
         context.codes,
@@ -1039,14 +1034,14 @@ fn on_exit_html_data(context: &mut CompileContext) {
     context.push(context.encode_opt(&slice));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`Label`][TokenType::Label].
+/// Handle [`Exit`][EventType::Exit]:[`Label`][Token::Label].
 fn on_exit_label(context: &mut CompileContext) {
     let buf = context.resume();
     let media = context.media_stack.last_mut().unwrap();
     media.label = Some(buf);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`LabelText`][TokenType::LabelText].
+/// Handle [`Exit`][EventType::Exit]:[`LabelText`][Token::LabelText].
 fn on_exit_label_text(context: &mut CompileContext) {
     let media = context.media_stack.last_mut().unwrap();
     media.label_id = Some(serialize(
@@ -1056,7 +1051,7 @@ fn on_exit_label_text(context: &mut CompileContext) {
     ));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`LineEnding`][TokenType::LineEnding].
+/// Handle [`Exit`][EventType::Exit]:[`LineEnding`][Token::LineEnding].
 fn on_exit_line_ending(context: &mut CompileContext) {
     // if slurp_all_line_endings {
     //     // Empty.
@@ -1072,7 +1067,7 @@ fn on_exit_line_ending(context: &mut CompileContext) {
     }
 }
 
-/// Handle [`Exit`][EventType::Exit]:{[`Image`][TokenType::Image],[`Link`][TokenType::Link]}.
+/// Handle [`Exit`][EventType::Exit]:{[`Image`][Token::Image],[`Link`][Token::Link]}.
 fn on_exit_media(context: &mut CompileContext) {
     let mut is_in_image = false;
     let mut index = 0;
@@ -1136,12 +1131,12 @@ fn on_exit_media(context: &mut CompileContext) {
     };
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`Paragraph`][TokenType::Paragraph].
+/// Handle [`Exit`][EventType::Exit]:[`Paragraph`][Token::Paragraph].
 fn on_exit_paragraph(context: &mut CompileContext) {
     context.tag("
".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`ReferenceString`][TokenType::ReferenceString].
+/// Handle [`Exit`][EventType::Exit]:[`ReferenceString`][Token::ReferenceString].
 fn on_exit_reference_string(context: &mut CompileContext) {
     // Drop stuff.
     context.resume();
@@ -1153,7 +1148,7 @@ fn on_exit_reference_string(context: &mut CompileContext) {
     ));
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`ResourceDestinationString`][TokenType::ResourceDestinationString].
+/// Handle [`Exit`][EventType::Exit]:[`ResourceDestinationString`][Token::ResourceDestinationString].
 fn on_exit_resource_destination_string(context: &mut CompileContext) {
     let buf = context.resume();
     let media = context.media_stack.last_mut().unwrap();
@@ -1161,19 +1156,19 @@ fn on_exit_resource_destination_string(context: &mut CompileContext) {
     context.ignore_encode = false;
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`ResourceTitleString`][TokenType::ResourceTitleString].
+/// Handle [`Exit`][EventType::Exit]:[`ResourceTitleString`][Token::ResourceTitleString].
 fn on_exit_resource_title_string(context: &mut CompileContext) {
     let buf = context.resume();
     let media = context.media_stack.last_mut().unwrap();
     media.title = Some(buf);
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`Strong`][TokenType::Strong].
+/// Handle [`Exit`][EventType::Exit]:[`Strong`][Token::Strong].
 fn on_exit_strong(context: &mut CompileContext) {
     context.tag("".to_string());
 }
 
-/// Handle [`Exit`][EventType::Exit]:[`ThematicBreak`][TokenType::ThematicBreak].
+/// Handle [`Exit`][EventType::Exit]:[`ThematicBreak`][Token::ThematicBreak].
 fn on_exit_thematic_break(context: &mut CompileContext) {
     context.line_ending_if_needed();
     context.tag("
".to_string());
diff --git a/src/construct/attention.rs b/src/construct/attention.rs
index daf662e..1750692 100644
--- a/src/construct/attention.rs
+++ b/src/construct/attention.rs
@@ -32,14 +32,14 @@
 //!
 //! ## Tokens
 //!
-//! *   [`Emphasis`][TokenType::Emphasis]
-//! *   [`EmphasisSequence`][TokenType::EmphasisSequence]
-//! *   [`EmphasisText`][TokenType::EmphasisText]
-//! *   [`Strong`][TokenType::Strong]
-//! *   [`StrongSequence`][TokenType::StrongSequence]
-//! *   [`StrongText`][TokenType::StrongText]
+//! *   [`Emphasis`][Token::Emphasis]
+//! *   [`EmphasisSequence`][Token::EmphasisSequence]
+//! *   [`EmphasisText`][Token::EmphasisText]
+//! *   [`Strong`][Token::Strong]
+//! *   [`StrongSequence`][Token::StrongSequence]
+//! *   [`StrongText`][Token::StrongText]
 //!
-//! > 👉 **Note**: while parsing, [`AttentionSequence`][TokenType::AttentionSequence]
+//! > 👉 **Note**: while parsing, [`AttentionSequence`][Token::AttentionSequence]
 //! > is used, which is later compiled away.
 //!
 //! ## References
@@ -51,7 +51,8 @@
 //! [html-em]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-em-element
 //! [html-strong]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-strong-element
 
-use crate::tokenizer::{Code, Event, EventType, Point, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, Event, EventType, Point, State, StateFnResult, Tokenizer};
 use crate::unicode::PUNCTUATION;
 use crate::util::edit_map::EditMap;
 
@@ -174,7 +175,7 @@ struct Sequence {
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('*' | '_') => {
-            tokenizer.enter(TokenType::AttentionSequence);
+            tokenizer.enter(Token::AttentionSequence);
             inside(tokenizer, code, MarkerKind::from_code(code))
         }
         _ => (State::Nok, None),
@@ -193,7 +194,7 @@ fn inside(tokenizer: &mut Tokenizer, code: Code, marker: MarkerKind) -> StateFnR
             (State::Fn(Box::new(move |t, c| inside(t, c, marker))), None)
         }
         _ => {
-            tokenizer.exit(TokenType::AttentionSequence);
+            tokenizer.exit(Token::AttentionSequence);
             tokenizer.register_resolver("attention".to_string(), Box::new(resolve));
             (State::Ok, Some(vec![code]))
         }
@@ -216,7 +217,7 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
         if enter.event_type == EventType::Enter {
             balance += 1;
 
-            if enter.token_type == TokenType::AttentionSequence {
+            if enter.token_type == Token::AttentionSequence {
                 let end = start + 1;
                 let exit = &tokenizer.events[end];
                 let marker = MarkerKind::from_code(codes[enter.index]);
@@ -392,9 +393,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Enter,
                                 token_type: if take == 1 {
-                                    TokenType::Emphasis
+                                    Token::Emphasis
                                 } else {
-                                    TokenType::Strong
+                                    Token::Strong
                                 },
                                 point: seq_open_enter.0.clone(),
                                 index: seq_open_enter.1,
@@ -405,9 +406,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Enter,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisSequence
+                                    Token::EmphasisSequence
                                 } else {
-                                    TokenType::StrongSequence
+                                    Token::StrongSequence
                                 },
                                 point: seq_open_enter.0.clone(),
                                 index: seq_open_enter.1,
@@ -418,9 +419,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Exit,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisSequence
+                                    Token::EmphasisSequence
                                 } else {
-                                    TokenType::StrongSequence
+                                    Token::StrongSequence
                                 },
                                 point: seq_open_exit.0.clone(),
                                 index: seq_open_exit.1,
@@ -431,9 +432,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Enter,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisText
+                                    Token::EmphasisText
                                 } else {
-                                    TokenType::StrongText
+                                    Token::StrongText
                                 },
                                 point: seq_open_exit.0.clone(),
                                 index: seq_open_exit.1,
@@ -451,9 +452,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Exit,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisText
+                                    Token::EmphasisText
                                 } else {
-                                    TokenType::StrongText
+                                    Token::StrongText
                                 },
                                 point: seq_close_enter.0.clone(),
                                 index: seq_close_enter.1,
@@ -464,9 +465,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Enter,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisSequence
+                                    Token::EmphasisSequence
                                 } else {
-                                    TokenType::StrongSequence
+                                    Token::StrongSequence
                                 },
                                 point: seq_close_enter.0.clone(),
                                 index: seq_close_enter.1,
@@ -477,9 +478,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Exit,
                                 token_type: if take == 1 {
-                                    TokenType::EmphasisSequence
+                                    Token::EmphasisSequence
                                 } else {
-                                    TokenType::StrongSequence
+                                    Token::StrongSequence
                                 },
                                 point: seq_close_exit.0.clone(),
                                 index: seq_close_exit.1,
@@ -490,9 +491,9 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                             Event {
                                 event_type: EventType::Exit,
                                 token_type: if take == 1 {
-                                    TokenType::Emphasis
+                                    Token::Emphasis
                                 } else {
-                                    TokenType::Strong
+                                    Token::Strong
                                 },
                                 point: seq_close_exit.0.clone(),
                                 index: seq_close_exit.1,
@@ -515,8 +516,8 @@ fn resolve(tokenizer: &mut Tokenizer) -> Vec {
     let mut index = 0;
     while index < sequences.len() {
         let sequence = &sequences[index];
-        tokenizer.events[sequence.event_index].token_type = TokenType::Data;
-        tokenizer.events[sequence.event_index + 1].token_type = TokenType::Data;
+        tokenizer.events[sequence.event_index].token_type = Token::Data;
+        tokenizer.events[sequence.event_index + 1].token_type = Token::Data;
         index += 1;
     }
 
diff --git a/src/construct/autolink.rs b/src/construct/autolink.rs
index e29bf8b..db4365f 100644
--- a/src/construct/autolink.rs
+++ b/src/construct/autolink.rs
@@ -84,10 +84,10 @@
 //!
 //! ## Tokens
 //!
-//! *   [`Autolink`][TokenType::Autolink]
-//! *   [`AutolinkEmail`][TokenType::AutolinkEmail]
-//! *   [`AutolinkMarker`][TokenType::AutolinkMarker]
-//! *   [`AutolinkProtocol`][TokenType::AutolinkProtocol]
+//! *   [`Autolink`][Token::Autolink]
+//! *   [`AutolinkEmail`][Token::AutolinkEmail]
+//! *   [`AutolinkMarker`][Token::AutolinkMarker]
+//! *   [`AutolinkProtocol`][Token::AutolinkProtocol]
 //!
 //! ## References
 //!
@@ -102,7 +102,8 @@
 //! [html-a]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element
 
 use crate::constant::{AUTOLINK_DOMAIN_SIZE_MAX, AUTOLINK_SCHEME_SIZE_MAX};
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of an autolink.
 ///
@@ -113,11 +114,11 @@ use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('<') => {
-            tokenizer.enter(TokenType::Autolink);
-            tokenizer.enter(TokenType::AutolinkMarker);
+            tokenizer.enter(Token::Autolink);
+            tokenizer.enter(Token::AutolinkMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::AutolinkMarker);
-            tokenizer.enter(TokenType::AutolinkProtocol);
+            tokenizer.exit(Token::AutolinkMarker);
+            tokenizer.enter(Token::AutolinkProtocol);
             (State::Fn(Box::new(open)), None)
         }
         _ => (State::Nok, None),
@@ -195,7 +196,7 @@ fn scheme_inside_or_email_atext(
 fn url_inside(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('>') => {
-            tokenizer.exit(TokenType::AutolinkProtocol);
+            tokenizer.exit(Token::AutolinkProtocol);
             end(tokenizer, code)
         }
         Code::Char(char) if char.is_ascii_control() => (State::Nok, None),
@@ -260,10 +261,10 @@ fn email_label(tokenizer: &mut Tokenizer, code: Code, size: usize) -> StateFnRes
         }
         Code::Char('>') => {
             let index = tokenizer.events.len();
-            tokenizer.exit(TokenType::AutolinkProtocol);
+            tokenizer.exit(Token::AutolinkProtocol);
             // Change the token type.
-            tokenizer.events[index - 1].token_type = TokenType::AutolinkEmail;
-            tokenizer.events[index].token_type = TokenType::AutolinkEmail;
+            tokenizer.events[index - 1].token_type = Token::AutolinkEmail;
+            tokenizer.events[index].token_type = Token::AutolinkEmail;
             end(tokenizer, code)
         }
         _ => email_value(tokenizer, code, size),
@@ -306,10 +307,10 @@ fn email_value(tokenizer: &mut Tokenizer, code: Code, size: usize) -> StateFnRes
 fn end(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('>') => {
-            tokenizer.enter(TokenType::AutolinkMarker);
+            tokenizer.enter(Token::AutolinkMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::AutolinkMarker);
-            tokenizer.exit(TokenType::Autolink);
+            tokenizer.exit(Token::AutolinkMarker);
+            tokenizer.exit(Token::Autolink);
             (State::Ok, None)
         }
         _ => unreachable!("expected `>`"),
diff --git a/src/construct/blank_line.rs b/src/construct/blank_line.rs
index 3ca3266..69a4709 100644
--- a/src/construct/blank_line.rs
+++ b/src/construct/blank_line.rs
@@ -20,7 +20,7 @@
 //!
 //! ## Tokens
 //!
-//! *   [`SpaceOrTab`][crate::tokenizer::TokenType::SpaceOrTab]
+//! *   [`SpaceOrTab`][crate::token::Token::SpaceOrTab]
 //!
 //! ## References
 //!
diff --git a/src/construct/block_quote.rs b/src/construct/block_quote.rs
index a3ffbc7..096ac0a 100644
--- a/src/construct/block_quote.rs
+++ b/src/construct/block_quote.rs
@@ -19,10 +19,10 @@
 //!
 //! ## Tokens
 //!
-//! *   [`BlockQuote`][TokenType::BlockQuote]
-//! *   [`BlockQuoteMarker`][TokenType::BlockQuoteMarker]
-//! *   [`BlockQuotePrefix`][TokenType::BlockQuotePrefix]
-//! *   [`BlockQuoteWhitespace`][TokenType::BlockQuoteWhitespace]
+//! *   [`BlockQuote`][Token::BlockQuote]
+//! *   [`BlockQuoteMarker`][Token::BlockQuoteMarker]
+//! *   [`BlockQuotePrefix`][Token::BlockQuotePrefix]
+//! *   [`BlockQuoteWhitespace`][Token::BlockQuoteWhitespace]
 //!
 //! ## References
 //!
@@ -35,7 +35,8 @@
 
 use crate::constant::TAB_SIZE;
 use crate::construct::partial_space_or_tab::space_or_tab_min_max;
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of block quote.
 ///
@@ -55,7 +56,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('>') => {
-            tokenizer.enter(TokenType::BlockQuote);
+            tokenizer.enter(Token::BlockQuote);
             cont_before(tokenizer, code)
         }
         _ => cont_before(tokenizer, code),
@@ -82,10 +83,10 @@ pub fn cont(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn cont_before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('>') => {
-            tokenizer.enter(TokenType::BlockQuotePrefix);
-            tokenizer.enter(TokenType::BlockQuoteMarker);
+            tokenizer.enter(Token::BlockQuotePrefix);
+            tokenizer.enter(Token::BlockQuoteMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::BlockQuoteMarker);
+            tokenizer.exit(Token::BlockQuoteMarker);
             (State::Fn(Box::new(cont_after)), None)
         }
         _ => (State::Nok, None),
@@ -101,20 +102,20 @@ fn cont_before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn cont_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::VirtualSpace | Code::Char('\t' | ' ') => {
-            tokenizer.enter(TokenType::BlockQuoteWhitespace);
+            tokenizer.enter(Token::BlockQuoteWhitespace);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::BlockQuoteWhitespace);
-            tokenizer.exit(TokenType::BlockQuotePrefix);
+            tokenizer.exit(Token::BlockQuoteWhitespace);
+            tokenizer.exit(Token::BlockQuotePrefix);
             (State::Ok, None)
         }
         _ => {
-            tokenizer.exit(TokenType::BlockQuotePrefix);
+            tokenizer.exit(Token::BlockQuotePrefix);
             (State::Ok, Some(vec![code]))
         }
     }
 }
 
 /// End of a block quote.
-pub fn end() -> Vec {
-    vec![TokenType::BlockQuote]
+pub fn end() -> Vec {
+    vec![Token::BlockQuote]
 }
diff --git a/src/construct/character_escape.rs b/src/construct/character_escape.rs
index 0ccc574..55d321a 100644
--- a/src/construct/character_escape.rs
+++ b/src/construct/character_escape.rs
@@ -19,9 +19,9 @@
 //!
 //! ## Tokens
 //!
-//! *   [`CharacterEscape`][TokenType::CharacterEscape]
-//! *   [`CharacterEscapeMarker`][TokenType::CharacterEscapeMarker]
-//! *   [`CharacterEscapeValue`][TokenType::CharacterEscapeValue]
+//! *   [`CharacterEscape`][Token::CharacterEscape]
+//! *   [`CharacterEscapeMarker`][Token::CharacterEscapeMarker]
+//! *   [`CharacterEscapeValue`][Token::CharacterEscapeValue]
 //!
 //! ## References
 //!
@@ -33,7 +33,8 @@
 //! [character_reference]: crate::construct::character_reference
 //! [hard_break_escape]: crate::construct::hard_break_escape
 
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of a character escape.
 ///
@@ -45,10 +46,10 @@ use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('\\') => {
-            tokenizer.enter(TokenType::CharacterEscape);
-            tokenizer.enter(TokenType::CharacterEscapeMarker);
+            tokenizer.enter(Token::CharacterEscape);
+            tokenizer.enter(Token::CharacterEscapeMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::CharacterEscapeMarker);
+            tokenizer.exit(Token::CharacterEscapeMarker);
             (State::Fn(Box::new(inside)), None)
         }
         _ => (State::Nok, None),
@@ -65,10 +66,10 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn inside(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(char) if char.is_ascii_punctuation() => {
-            tokenizer.enter(TokenType::CharacterEscapeValue);
+            tokenizer.enter(Token::CharacterEscapeValue);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::CharacterEscapeValue);
-            tokenizer.exit(TokenType::CharacterEscape);
+            tokenizer.exit(Token::CharacterEscapeValue);
+            tokenizer.exit(Token::CharacterEscape);
             (State::Ok, None)
         }
         _ => (State::Nok, None),
diff --git a/src/construct/character_reference.rs b/src/construct/character_reference.rs
index 65e49ca..04e89d2 100644
--- a/src/construct/character_reference.rs
+++ b/src/construct/character_reference.rs
@@ -42,12 +42,12 @@
 //!
 //! ## Tokens
 //!
-//! *   [`CharacterReference`][TokenType::CharacterReference]
-//! *   [`CharacterReferenceMarker`][TokenType::CharacterReferenceMarker]
-//! *   [`CharacterReferenceMarkerHexadecimal`][TokenType::CharacterReferenceMarkerHexadecimal]
-//! *   [`CharacterReferenceMarkerNumeric`][TokenType::CharacterReferenceMarkerNumeric]
-//! *   [`CharacterReferenceMarkerSemi`][TokenType::CharacterReferenceMarkerSemi]
-//! *   [`CharacterReferenceValue`][TokenType::CharacterReferenceValue]
+//! *   [`CharacterReference`][Token::CharacterReference]
+//! *   [`CharacterReferenceMarker`][Token::CharacterReferenceMarker]
+//! *   [`CharacterReferenceMarkerHexadecimal`][Token::CharacterReferenceMarkerHexadecimal]
+//! *   [`CharacterReferenceMarkerNumeric`][Token::CharacterReferenceMarkerNumeric]
+//! *   [`CharacterReferenceMarkerSemi`][Token::CharacterReferenceMarkerSemi]
+//! *   [`CharacterReferenceValue`][Token::CharacterReferenceValue]
 //!
 //! ## References
 //!
@@ -65,7 +65,8 @@ use crate::constant::{
     CHARACTER_REFERENCE_DECIMAL_SIZE_MAX, CHARACTER_REFERENCE_HEXADECIMAL_SIZE_MAX,
     CHARACTER_REFERENCE_NAMED_SIZE_MAX, CHARACTER_REFERENCE_NAMES,
 };
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Kind of a character reference.
 #[derive(Debug, Clone, PartialEq)]
@@ -119,10 +120,10 @@ struct Info {
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('&') => {
-            tokenizer.enter(TokenType::CharacterReference);
-            tokenizer.enter(TokenType::CharacterReferenceMarker);
+            tokenizer.enter(Token::CharacterReference);
+            tokenizer.enter(Token::CharacterReferenceMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::CharacterReferenceMarker);
+            tokenizer.exit(Token::CharacterReferenceMarker);
             (State::Fn(Box::new(open)), None)
         }
         _ => (State::Nok, None),
@@ -143,12 +144,12 @@ fn open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
         kind: Kind::Named,
     };
     if let Code::Char('#') = code {
-        tokenizer.enter(TokenType::CharacterReferenceMarkerNumeric);
+        tokenizer.enter(Token::CharacterReferenceMarkerNumeric);
         tokenizer.consume(code);
-        tokenizer.exit(TokenType::CharacterReferenceMarkerNumeric);
+        tokenizer.exit(Token::CharacterReferenceMarkerNumeric);
         (State::Fn(Box::new(|t, c| numeric(t, c, info))), None)
     } else {
-        tokenizer.enter(TokenType::CharacterReferenceValue);
+        tokenizer.enter(Token::CharacterReferenceValue);
         value(tokenizer, code, info)
     }
 }
@@ -162,14 +163,14 @@ fn open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 /// ```
 fn numeric(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult {
     if let Code::Char('x' | 'X') = code {
-        tokenizer.enter(TokenType::CharacterReferenceMarkerHexadecimal);
+        tokenizer.enter(Token::CharacterReferenceMarkerHexadecimal);
         tokenizer.consume(code);
-        tokenizer.exit(TokenType::CharacterReferenceMarkerHexadecimal);
-        tokenizer.enter(TokenType::CharacterReferenceValue);
+        tokenizer.exit(Token::CharacterReferenceMarkerHexadecimal);
+        tokenizer.enter(Token::CharacterReferenceValue);
         info.kind = Kind::Hexadecimal;
         (State::Fn(Box::new(|t, c| value(t, c, info))), None)
     } else {
-        tokenizer.enter(TokenType::CharacterReferenceValue);
+        tokenizer.enter(Token::CharacterReferenceValue);
         info.kind = Kind::Decimal;
         value(tokenizer, code, info)
     }
@@ -194,11 +195,11 @@ fn value(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult
             {
                 (State::Nok, None)
             } else {
-                tokenizer.exit(TokenType::CharacterReferenceValue);
-                tokenizer.enter(TokenType::CharacterReferenceMarkerSemi);
+                tokenizer.exit(Token::CharacterReferenceValue);
+                tokenizer.enter(Token::CharacterReferenceMarkerSemi);
                 tokenizer.consume(code);
-                tokenizer.exit(TokenType::CharacterReferenceMarkerSemi);
-                tokenizer.exit(TokenType::CharacterReference);
+                tokenizer.exit(Token::CharacterReferenceMarkerSemi);
+                tokenizer.exit(Token::CharacterReference);
                 (State::Ok, None)
             }
         }
diff --git a/src/construct/code_fenced.rs b/src/construct/code_fenced.rs
index 05266ba..617979f 100644
--- a/src/construct/code_fenced.rs
+++ b/src/construct/code_fenced.rs
@@ -77,14 +77,14 @@
 //!
 //! ## Tokens
 //!
-//! *   [`CodeFenced`][TokenType::CodeFenced]
-//! *   [`CodeFencedFence`][TokenType::CodeFencedFence]
-//! *   [`CodeFencedFenceInfo`][TokenType::CodeFencedFenceInfo]
-//! *   [`CodeFencedFenceMeta`][TokenType::CodeFencedFenceMeta]
-//! *   [`CodeFencedFenceSequence`][TokenType::CodeFencedFenceSequence]
-//! *   [`CodeFlowChunk`][TokenType::CodeFlowChunk]
-//! *   [`LineEnding`][TokenType::LineEnding]
-//! *   [`SpaceOrTab`][TokenType::SpaceOrTab]
+//! *   [`CodeFenced`][Token::CodeFenced]
+//! *   [`CodeFencedFence`][Token::CodeFencedFence]
+//! *   [`CodeFencedFenceInfo`][Token::CodeFencedFenceInfo]
+//! *   [`CodeFencedFenceMeta`][Token::CodeFencedFenceMeta]
+//! *   [`CodeFencedFenceSequence`][Token::CodeFencedFenceSequence]
+//! *   [`CodeFlowChunk`][Token::CodeFlowChunk]
+//! *   [`LineEnding`][Token::LineEnding]
+//! *   [`SpaceOrTab`][Token::SpaceOrTab]
 //!
 //! ## References
 //!
@@ -103,7 +103,8 @@
 
 use crate::constant::{CODE_FENCED_SEQUENCE_SIZE_MIN, TAB_SIZE};
 use crate::construct::partial_space_or_tab::{space_or_tab, space_or_tab_min_max};
-use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, State, StateFnResult, Tokenizer};
 use crate::util::span::from_exit_event;
 
 /// Kind of fences.
@@ -184,8 +185,8 @@ struct Info {
 ///  ~~~
 /// ```
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.enter(TokenType::CodeFenced);
-    tokenizer.enter(TokenType::CodeFencedFence);
+    tokenizer.enter(Token::CodeFenced);
+    tokenizer.enter(Token::CodeFencedFence);
     // To do: allow arbitrary when code (indented) is turned off.
     tokenizer.go(space_or_tab_min_max(0, TAB_SIZE - 1), before_sequence_open)(tokenizer, code)
 }
@@ -202,7 +203,7 @@ fn before_sequence_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult
     let mut prefix = 0;
 
     if let Some(event) = tail {
-        if event.token_type == TokenType::SpaceOrTab {
+        if event.token_type == Token::SpaceOrTab {
             let span = from_exit_event(&tokenizer.events, tokenizer.events.len() - 1);
             prefix = span.end_index - span.start_index;
         }
@@ -210,7 +211,7 @@ fn before_sequence_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult
 
     match code {
         Code::Char('`' | '~') => {
-            tokenizer.enter(TokenType::CodeFencedFenceSequence);
+            tokenizer.enter(Token::CodeFencedFenceSequence);
             sequence_open(
                 tokenizer,
                 code,
@@ -245,7 +246,7 @@ fn sequence_open(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> State
             )
         }
         _ if info.size >= CODE_FENCED_SEQUENCE_SIZE_MIN => {
-            tokenizer.exit(TokenType::CodeFencedFenceSequence);
+            tokenizer.exit(Token::CodeFencedFenceSequence);
             tokenizer.attempt_opt(space_or_tab(), |t, c| info_before(t, c, info))(tokenizer, code)
         }
         _ => (State::Nok, None),
@@ -262,12 +263,12 @@ fn sequence_open(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> State
 fn info_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::CodeFencedFence);
+            tokenizer.exit(Token::CodeFencedFence);
             at_break(tokenizer, code, info)
         }
         _ => {
-            tokenizer.enter(TokenType::CodeFencedFenceInfo);
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+            tokenizer.enter(Token::CodeFencedFenceInfo);
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
             info_inside(tokenizer, code, info, vec![])
         }
     }
@@ -288,14 +289,14 @@ fn info_inside(
 ) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::Data);
-            tokenizer.exit(TokenType::CodeFencedFenceInfo);
-            tokenizer.exit(TokenType::CodeFencedFence);
+            tokenizer.exit(Token::Data);
+            tokenizer.exit(Token::CodeFencedFenceInfo);
+            tokenizer.exit(Token::CodeFencedFence);
             at_break(tokenizer, code, info)
         }
         Code::VirtualSpace | Code::Char('\t' | ' ') => {
-            tokenizer.exit(TokenType::Data);
-            tokenizer.exit(TokenType::CodeFencedFenceInfo);
+            tokenizer.exit(Token::Data);
+            tokenizer.exit(Token::CodeFencedFenceInfo);
             tokenizer.attempt_opt(space_or_tab(), |t, c| meta_before(t, c, info))(tokenizer, code)
         }
         Code::Char('`') if info.kind == Kind::GraveAccent => (State::Nok, None),
@@ -320,12 +321,12 @@ fn info_inside(
 fn meta_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::CodeFencedFence);
+            tokenizer.exit(Token::CodeFencedFence);
             at_break(tokenizer, code, info)
         }
         _ => {
-            tokenizer.enter(TokenType::CodeFencedFenceMeta);
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+            tokenizer.enter(Token::CodeFencedFenceMeta);
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
             meta(tokenizer, code, info)
         }
     }
@@ -341,9 +342,9 @@ fn meta_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResu
 fn meta(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::Data);
-            tokenizer.exit(TokenType::CodeFencedFenceMeta);
-            tokenizer.exit(TokenType::CodeFencedFence);
+            tokenizer.exit(Token::Data);
+            tokenizer.exit(Token::CodeFencedFenceMeta);
+            tokenizer.exit(Token::CodeFencedFence);
             at_break(tokenizer, code, info)
         }
         Code::Char('`') if info.kind == Kind::GraveAccent => (State::Nok, None),
@@ -390,9 +391,9 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult
 fn close_begin(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (State::Fn(Box::new(|t, c| close_start(t, c, info))), None)
         }
         _ => unreachable!("expected eol"),
@@ -411,7 +412,7 @@ fn close_begin(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResu
 /// |  ~~~
 /// ```
 fn close_start(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
-    tokenizer.enter(TokenType::CodeFencedFence);
+    tokenizer.enter(Token::CodeFencedFence);
     tokenizer.go(space_or_tab_min_max(0, TAB_SIZE - 1), |t, c| {
         close_before(t, c, info)
     })(tokenizer, code)
@@ -431,7 +432,7 @@ fn close_start(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResu
 fn close_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::Char(char) if char == info.kind.as_char() => {
-            tokenizer.enter(TokenType::CodeFencedFenceSequence);
+            tokenizer.enter(Token::CodeFencedFenceSequence);
             close_sequence(tokenizer, code, info, 0)
         }
         _ => (State::Nok, None),
@@ -455,7 +456,7 @@ fn close_sequence(tokenizer: &mut Tokenizer, code: Code, info: Info, size: usize
             )
         }
         _ if size >= CODE_FENCED_SEQUENCE_SIZE_MIN && size >= info.size => {
-            tokenizer.exit(TokenType::CodeFencedFenceSequence);
+            tokenizer.exit(Token::CodeFencedFenceSequence);
             tokenizer.attempt_opt(space_or_tab(), close_sequence_after)(tokenizer, code)
         }
         _ => (State::Nok, None),
@@ -472,7 +473,7 @@ fn close_sequence(tokenizer: &mut Tokenizer, code: Code, info: Info, size: usize
 fn close_sequence_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::CodeFencedFence);
+            tokenizer.exit(Token::CodeFencedFence);
             (State::Ok, Some(vec![code]))
         }
         _ => (State::Nok, None),
@@ -487,9 +488,9 @@ fn close_sequence_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult
 /// ~~~
 /// ```
 fn content_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
-    tokenizer.enter(TokenType::LineEnding);
+    tokenizer.enter(Token::LineEnding);
     tokenizer.consume(code);
-    tokenizer.exit(TokenType::LineEnding);
+    tokenizer.exit(Token::LineEnding);
     (State::Fn(Box::new(|t, c| content_start(t, c, info))), None)
 }
 /// Before code content, definitely not before a closing fence.
@@ -518,7 +519,7 @@ fn content_begin(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnRe
             at_break(tokenizer, code, info)
         }
         _ => {
-            tokenizer.enter(TokenType::CodeFlowChunk);
+            tokenizer.enter(Token::CodeFlowChunk);
             content_continue(tokenizer, code, info)
         }
     }
@@ -536,7 +537,7 @@ fn content_begin(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnRe
 fn content_continue(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::CodeFlowChunk);
+            tokenizer.exit(Token::CodeFlowChunk);
             at_break(tokenizer, code, info)
         }
         _ => {
@@ -557,7 +558,7 @@ fn content_continue(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateF
 /// ~~~|
 /// ```
 fn after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.exit(TokenType::CodeFenced);
+    tokenizer.exit(Token::CodeFenced);
     // Feel free to interrupt.
     tokenizer.interrupt = false;
     (State::Ok, Some(vec![code]))
diff --git a/src/construct/code_indented.rs b/src/construct/code_indented.rs
index 9bdfd71..8966249 100644
--- a/src/construct/code_indented.rs
+++ b/src/construct/code_indented.rs
@@ -28,10 +28,10 @@
 //!
 //! ## Tokens
 //!
-//! *   [`CodeIndented`][TokenType::CodeIndented]
-//! *   [`CodeFlowChunk`][TokenType::CodeFlowChunk]
-//! *   [`LineEnding`][TokenType::LineEnding]
-//! *   [`SpaceOrTab`][TokenType::SpaceOrTab]
+//! *   [`CodeIndented`][Token::CodeIndented]
+//! *   [`CodeFlowChunk`][Token::CodeFlowChunk]
+//! *   [`LineEnding`][Token::LineEnding]
+//! *   [`SpaceOrTab`][Token::SpaceOrTab]
 //!
 //! ## References
 //!
@@ -47,7 +47,8 @@
 
 use super::partial_space_or_tab::{space_or_tab, space_or_tab_min_max};
 use crate::constant::TAB_SIZE;
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of code (indented).
 ///
@@ -63,7 +64,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     if tokenizer.interrupt {
         (State::Nok, None)
     } else {
-        tokenizer.enter(TokenType::CodeIndented);
+        tokenizer.enter(Token::CodeIndented);
         tokenizer.go(space_or_tab_min_max(TAB_SIZE, TAB_SIZE), at_break)(tokenizer, code)
     }
 }
@@ -82,7 +83,7 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                 Box::new(if ok { at_break } else { after })
             })(tokenizer, code),
         _ => {
-            tokenizer.enter(TokenType::CodeFlowChunk);
+            tokenizer.enter(Token::CodeFlowChunk);
             content(tokenizer, code)
         }
     }
@@ -98,7 +99,7 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn content(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::CodeFlowChunk);
+            tokenizer.exit(Token::CodeFlowChunk);
             at_break(tokenizer, code)
         }
         _ => {
@@ -114,7 +115,7 @@ fn content(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 ///     ab|
 /// ```
 fn after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.exit(TokenType::CodeIndented);
+    tokenizer.exit(Token::CodeIndented);
     // Feel free to interrupt.
     tokenizer.interrupt = false;
     (State::Ok, Some(vec![code]))
@@ -130,9 +131,9 @@ fn further_start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     // To do: `nok` if lazy line.
     match code {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (State::Fn(Box::new(further_start)), None)
         }
         _ => tokenizer.attempt(space_or_tab_min_max(TAB_SIZE, TAB_SIZE), |ok| {
diff --git a/src/construct/code_text.rs b/src/construct/code_text.rs
index a6dc7eb..6df61b8 100644
--- a/src/construct/code_text.rs
+++ b/src/construct/code_text.rs
@@ -67,10 +67,10 @@
 //!
 //! ## Tokens
 //!
-//! *   [`CodeText`][TokenType::CodeText]
-//! *   [`CodeTextData`][TokenType::CodeTextData]
-//! *   [`CodeTextLineEnding`][TokenType::CodeTextLineEnding]
-//! *   [`CodeTextSequence`][TokenType::CodeTextSequence]
+//! *   [`CodeText`][Token::CodeText]
+//! *   [`CodeTextData`][Token::CodeTextData]
+//! *   [`CodeTextLineEnding`][Token::CodeTextLineEnding]
+//! *   [`CodeTextSequence`][Token::CodeTextSequence]
 //!
 //! ## References
 //!
@@ -83,7 +83,8 @@
 //! [code_fenced]: crate::construct::code_fenced
 //! [html-code]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-code-element
 
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of code (text).
 ///
@@ -100,11 +101,10 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('`')
             if tokenizer.previous != Code::Char('`')
-                || (len > 0
-                    && tokenizer.events[len - 1].token_type == TokenType::CharacterEscape) =>
+                || (len > 0 && tokenizer.events[len - 1].token_type == Token::CharacterEscape) =>
         {
-            tokenizer.enter(TokenType::CodeText);
-            tokenizer.enter(TokenType::CodeTextSequence);
+            tokenizer.enter(Token::CodeText);
+            tokenizer.enter(Token::CodeTextSequence);
             sequence_open(tokenizer, code, 0)
         }
         _ => (State::Nok, None),
@@ -124,7 +124,7 @@ fn sequence_open(tokenizer: &mut Tokenizer, code: Code, size: usize) -> StateFnR
             None,
         )
     } else {
-        tokenizer.exit(TokenType::CodeTextSequence);
+        tokenizer.exit(Token::CodeTextSequence);
         between(tokenizer, code, size)
     }
 }
@@ -139,20 +139,20 @@ fn between(tokenizer: &mut Tokenizer, code: Code, size_open: usize) -> StateFnRe
     match code {
         Code::None => (State::Nok, None),
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::CodeTextLineEnding);
+            tokenizer.enter(Token::CodeTextLineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::CodeTextLineEnding);
+            tokenizer.exit(Token::CodeTextLineEnding);
             (
                 State::Fn(Box::new(move |t, c| between(t, c, size_open))),
                 None,
             )
         }
         Code::Char('`') => {
-            tokenizer.enter(TokenType::CodeTextSequence);
+            tokenizer.enter(Token::CodeTextSequence);
             sequence_close(tokenizer, code, size_open, 0)
         }
         _ => {
-            tokenizer.enter(TokenType::CodeTextData);
+            tokenizer.enter(Token::CodeTextData);
             data(tokenizer, code, size_open)
         }
     }
@@ -166,7 +166,7 @@ fn between(tokenizer: &mut Tokenizer, code: Code, size_open: usize) -> StateFnRe
 fn data(tokenizer: &mut Tokenizer, code: Code, size_open: usize) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r' | '`') => {
-            tokenizer.exit(TokenType::CodeTextData);
+            tokenizer.exit(Token::CodeTextData);
             between(tokenizer, code, size_open)
         }
         _ => {
@@ -198,16 +198,16 @@ fn sequence_close(
             )
         }
         _ if size_open == size => {
-            tokenizer.exit(TokenType::CodeTextSequence);
-            tokenizer.exit(TokenType::CodeText);
+            tokenizer.exit(Token::CodeTextSequence);
+            tokenizer.exit(Token::CodeText);
             (State::Ok, Some(vec![code]))
         }
         _ => {
             let index = tokenizer.events.len();
-            tokenizer.exit(TokenType::CodeTextSequence);
+            tokenizer.exit(Token::CodeTextSequence);
             // Change the token type.
-            tokenizer.events[index - 1].token_type = TokenType::CodeTextData;
-            tokenizer.events[index].token_type = TokenType::CodeTextData;
+            tokenizer.events[index - 1].token_type = Token::CodeTextData;
+            tokenizer.events[index].token_type = Token::CodeTextData;
             between(tokenizer, code, size_open)
         }
     }
diff --git a/src/construct/definition.rs b/src/construct/definition.rs
index db4a009..4d14653 100644
--- a/src/construct/definition.rs
+++ b/src/construct/definition.rs
@@ -59,21 +59,21 @@
 //!
 //! ## Tokens
 //!
-//! *   [`Definition`][TokenType::Definition]
-//! *   [`DefinitionDestination`][TokenType::DefinitionDestination]
-//! *   [`DefinitionDestinationLiteral`][TokenType::DefinitionDestinationLiteral]
-//! *   [`DefinitionDestinationLiteralMarker`][TokenType::DefinitionDestinationLiteralMarker]
-//! *   [`DefinitionDestinationRaw`][TokenType::DefinitionDestinationRaw]
-//! *   [`DefinitionDestinationString`][TokenType::DefinitionDestinationString]
-//! *   [`DefinitionLabel`][TokenType::DefinitionLabel]
-//! *   [`DefinitionLabelMarker`][TokenType::DefinitionLabelMarker]
-//! *   [`DefinitionLabelString`][TokenType::DefinitionLabelString]
-//! *   [`DefinitionMarker`][TokenType::DefinitionMarker]
-//! *   [`DefinitionTitle`][TokenType::DefinitionTitle]
-//! *   [`DefinitionTitleMarker`][TokenType::DefinitionTitleMarker]
-//! *   [`DefinitionTitleString`][TokenType::DefinitionTitleString]
-//! *   [`LineEnding`][TokenType::LineEnding]
-//! *   [`SpaceOrTab`][TokenType::SpaceOrTab]
+//! *   [`Definition`][Token::Definition]
+//! *   [`DefinitionDestination`][Token::DefinitionDestination]
+//! *   [`DefinitionDestinationLiteral`][Token::DefinitionDestinationLiteral]
+//! *   [`DefinitionDestinationLiteralMarker`][Token::DefinitionDestinationLiteralMarker]
+//! *   [`DefinitionDestinationRaw`][Token::DefinitionDestinationRaw]
+//! *   [`DefinitionDestinationString`][Token::DefinitionDestinationString]
+//! *   [`DefinitionLabel`][Token::DefinitionLabel]
+//! *   [`DefinitionLabelMarker`][Token::DefinitionLabelMarker]
+//! *   [`DefinitionLabelString`][Token::DefinitionLabelString]
+//! *   [`DefinitionMarker`][Token::DefinitionMarker]
+//! *   [`DefinitionTitle`][Token::DefinitionTitle]
+//! *   [`DefinitionTitleMarker`][Token::DefinitionTitleMarker]
+//! *   [`DefinitionTitleString`][Token::DefinitionTitleString]
+//! *   [`LineEnding`][Token::LineEnding]
+//! *   [`SpaceOrTab`][Token::SpaceOrTab]
 //!
 //! ## References
 //!
@@ -99,7 +99,8 @@ use crate::construct::{
     partial_space_or_tab::{space_or_tab, space_or_tab_eol},
     partial_title::{start as title, Options as TitleOptions},
 };
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// At the start of a definition.
 ///
@@ -109,14 +110,14 @@ use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     let index = tokenizer.events.len();
     let definition_before = index > 3
-        && tokenizer.events[index - 1].token_type == TokenType::LineEnding
-        && tokenizer.events[index - 3].token_type == TokenType::Definition;
+        && tokenizer.events[index - 1].token_type == Token::LineEnding
+        && tokenizer.events[index - 3].token_type == Token::Definition;
 
     // Do not interrupt paragraphs (but do follow definitions).
     if tokenizer.interrupt && !definition_before {
         (State::Nok, None)
     } else {
-        tokenizer.enter(TokenType::Definition);
+        tokenizer.enter(Token::Definition);
         // Note: arbitrary whitespace allowed even if code (indented) is on.
         tokenizer.attempt_opt(space_or_tab(), before)(tokenizer, code)
     }
@@ -135,9 +136,9 @@ fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                     t,
                     c,
                     LabelOptions {
-                        label: TokenType::DefinitionLabel,
-                        marker: TokenType::DefinitionLabelMarker,
-                        string: TokenType::DefinitionLabelString,
+                        label: Token::DefinitionLabel,
+                        marker: Token::DefinitionLabelMarker,
+                        string: Token::DefinitionLabelString,
                     },
                 )
             },
@@ -155,9 +156,9 @@ fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn label_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(':') => {
-            tokenizer.enter(TokenType::DefinitionMarker);
+            tokenizer.enter(Token::DefinitionMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::DefinitionMarker);
+            tokenizer.exit(Token::DefinitionMarker);
             (
                 State::Fn(Box::new(
                     tokenizer.attempt_opt(space_or_tab_eol(), destination_before),
@@ -185,11 +186,11 @@ fn destination_before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                 c,
                 DestinationOptions {
                     limit: usize::MAX,
-                    destination: TokenType::DefinitionDestination,
-                    literal: TokenType::DefinitionDestinationLiteral,
-                    marker: TokenType::DefinitionDestinationLiteralMarker,
-                    raw: TokenType::DefinitionDestinationRaw,
-                    string: TokenType::DefinitionDestinationString,
+                    destination: Token::DefinitionDestination,
+                    literal: Token::DefinitionDestinationLiteral,
+                    marker: Token::DefinitionDestinationLiteralMarker,
+                    raw: Token::DefinitionDestinationRaw,
+                    string: Token::DefinitionDestinationString,
                 },
             )
         },
@@ -228,7 +229,7 @@ fn after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn after_whitespace(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::Definition);
+            tokenizer.exit(Token::Definition);
             // You’d be interrupting.
             tokenizer.interrupt = true;
             (State::Ok, Some(vec![code]))
@@ -262,9 +263,9 @@ fn title_before_marker(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                 t,
                 c,
                 TitleOptions {
-                    title: TokenType::DefinitionTitle,
-                    marker: TokenType::DefinitionTitleMarker,
-                    string: TokenType::DefinitionTitleString,
+                    title: Token::DefinitionTitle,
+                    marker: Token::DefinitionTitleMarker,
+                    string: Token::DefinitionTitleString,
                 },
             )
         },
diff --git a/src/construct/hard_break_escape.rs b/src/construct/hard_break_escape.rs
index 212d276..4fb87bf 100644
--- a/src/construct/hard_break_escape.rs
+++ b/src/construct/hard_break_escape.rs
@@ -26,8 +26,8 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HardBreakEscape`][TokenType::HardBreakEscape]
-//! *   [`HardBreakEscapeMarker`][TokenType::HardBreakEscapeMarker]
+//! *   [`HardBreakEscape`][Token::HardBreakEscape]
+//! *   [`HardBreakEscapeMarker`][Token::HardBreakEscapeMarker]
 //!
 //! ## References
 //!
@@ -40,7 +40,8 @@
 //! [hard_break_trailing]: crate::construct::hard_break_trailing
 //! [html]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-br-element
 
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of a hard break (escape).
 ///
@@ -50,10 +51,10 @@ use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('\\') => {
-            tokenizer.enter(TokenType::HardBreakEscape);
-            tokenizer.enter(TokenType::HardBreakEscapeMarker);
+            tokenizer.enter(Token::HardBreakEscape);
+            tokenizer.enter(Token::HardBreakEscapeMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::HardBreakEscapeMarker);
+            tokenizer.exit(Token::HardBreakEscapeMarker);
             (State::Fn(Box::new(inside)), None)
         }
         _ => (State::Nok, None),
@@ -68,7 +69,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn inside(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::HardBreakEscape);
+            tokenizer.exit(Token::HardBreakEscape);
             (State::Ok, Some(vec![code]))
         }
         _ => (State::Nok, None),
diff --git a/src/construct/hard_break_trailing.rs b/src/construct/hard_break_trailing.rs
index 35a7cab..6626675 100644
--- a/src/construct/hard_break_trailing.rs
+++ b/src/construct/hard_break_trailing.rs
@@ -26,8 +26,8 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HardBreakTrailing`][TokenType::HardBreakTrailing]
-//! *   [`HardBreakTrailingSpace`][TokenType::HardBreakTrailingSpace]
+//! *   [`HardBreakTrailing`][Token::HardBreakTrailing]
+//! *   [`HardBreakTrailingSpace`][Token::HardBreakTrailingSpace]
 //!
 //! ## References
 //!
@@ -41,7 +41,8 @@
 //! [html]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-br-element
 
 use crate::constant::HARD_BREAK_PREFIX_SIZE_MIN;
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Start of a hard break (trailing).
 ///
@@ -52,8 +53,8 @@ use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(' ') => {
-            tokenizer.enter(TokenType::HardBreakTrailing);
-            tokenizer.enter(TokenType::HardBreakTrailingSpace);
+            tokenizer.enter(Token::HardBreakTrailing);
+            tokenizer.enter(Token::HardBreakTrailingSpace);
             tokenizer.consume(code);
             (State::Fn(Box::new(|t, c| inside(t, c, 1))), None)
         }
@@ -79,8 +80,8 @@ fn inside(tokenizer: &mut Tokenizer, code: Code, size: usize) -> StateFnResult {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r')
             if size >= HARD_BREAK_PREFIX_SIZE_MIN =>
         {
-            tokenizer.exit(TokenType::HardBreakTrailingSpace);
-            tokenizer.exit(TokenType::HardBreakTrailing);
+            tokenizer.exit(Token::HardBreakTrailingSpace);
+            tokenizer.exit(Token::HardBreakTrailing);
             (State::Ok, Some(vec![code]))
         }
         _ => (State::Nok, None),
diff --git a/src/construct/heading_atx.rs b/src/construct/heading_atx.rs
index 9fa2ace..4a4992a 100644
--- a/src/construct/heading_atx.rs
+++ b/src/construct/heading_atx.rs
@@ -37,10 +37,10 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HeadingAtx`][TokenType::HeadingAtx]
-//! *   [`HeadingAtxSequence`][TokenType::HeadingAtxSequence]
-//! *   [`HeadingAtxText`][TokenType::HeadingAtxText]
-//! *   [`SpaceOrTab`][TokenType::SpaceOrTab]
+//! *   [`HeadingAtx`][Token::HeadingAtx]
+//! *   [`HeadingAtxSequence`][Token::HeadingAtxSequence]
+//! *   [`HeadingAtxText`][Token::HeadingAtxText]
+//! *   [`SpaceOrTab`][Token::SpaceOrTab]
 //!
 //! ## References
 //!
@@ -56,9 +56,8 @@
 
 use super::partial_space_or_tab::{space_or_tab, space_or_tab_min_max};
 use crate::constant::{HEADING_ATX_OPENING_FENCE_SIZE_MAX, TAB_SIZE};
-use crate::tokenizer::{
-    Code, ContentType, Event, EventType, State, StateFnResult, TokenType, Tokenizer,
-};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, Event, EventType, State, StateFnResult, Tokenizer};
 use crate::util::edit_map::EditMap;
 
 /// Start of a heading (atx).
@@ -67,7 +66,7 @@ use crate::util::edit_map::EditMap;
 /// |## alpha
 /// ```
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.enter(TokenType::HeadingAtx);
+    tokenizer.enter(Token::HeadingAtx);
     // To do: allow arbitrary when code (indented) is turned off.
     tokenizer.go(space_or_tab_min_max(0, TAB_SIZE - 1), before)(tokenizer, code)
 }
@@ -79,7 +78,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 /// ```
 fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     if Code::Char('#') == code {
-        tokenizer.enter(TokenType::HeadingAtxSequence);
+        tokenizer.enter(Token::HeadingAtxSequence);
         sequence_open(tokenizer, code, 0)
     } else {
         (State::Nok, None)
@@ -94,7 +93,7 @@ fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn sequence_open(tokenizer: &mut Tokenizer, code: Code, rank: usize) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') if rank > 0 => {
-            tokenizer.exit(TokenType::HeadingAtxSequence);
+            tokenizer.exit(Token::HeadingAtxSequence);
             at_break(tokenizer, code)
         }
         Code::Char('#') if rank < HEADING_ATX_OPENING_FENCE_SIZE_MAX => {
@@ -107,7 +106,7 @@ fn sequence_open(tokenizer: &mut Tokenizer, code: Code, rank: usize) -> StateFnR
             )
         }
         _ if rank > 0 => {
-            tokenizer.exit(TokenType::HeadingAtxSequence);
+            tokenizer.exit(Token::HeadingAtxSequence);
             tokenizer.go(space_or_tab(), at_break)(tokenizer, code)
         }
         _ => (State::Nok, None),
@@ -126,7 +125,7 @@ fn sequence_open(tokenizer: &mut Tokenizer, code: Code, rank: usize) -> StateFnR
 fn at_break(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::HeadingAtx);
+            tokenizer.exit(Token::HeadingAtx);
             tokenizer.register_resolver("heading_atx".to_string(), Box::new(resolve));
             // Feel free to interrupt.
             tokenizer.interrupt = false;
@@ -136,11 +135,11 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
             tokenizer.go(space_or_tab(), at_break)(tokenizer, code)
         }
         Code::Char('#') => {
-            tokenizer.enter(TokenType::HeadingAtxSequence);
+            tokenizer.enter(Token::HeadingAtxSequence);
             further_sequence(tokenizer, code)
         }
         Code::Char(_) => {
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::Text));
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::Text));
             data(tokenizer, code)
         }
     }
@@ -157,7 +156,7 @@ fn further_sequence(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
         tokenizer.consume(code);
         (State::Fn(Box::new(further_sequence)), None)
     } else {
-        tokenizer.exit(TokenType::HeadingAtxSequence);
+        tokenizer.exit(Token::HeadingAtxSequence);
         at_break(tokenizer, code)
     }
 }
@@ -171,7 +170,7 @@ fn data(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         // Note: `#` for closing sequence must be preceded by whitespace, otherwise it’s just text.
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\t' | '\n' | '\r' | ' ') => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             at_break(tokenizer, code)
         }
         _ => {
@@ -192,7 +191,7 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
     while index < tokenizer.events.len() {
         let event = &tokenizer.events[index];
 
-        if event.token_type == TokenType::HeadingAtx {
+        if event.token_type == Token::HeadingAtx {
             if event.event_type == EventType::Enter {
                 heading_start = Some(index);
             } else if let Some(start) = data_start {
@@ -204,7 +203,7 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                     0,
                     vec![Event {
                         event_type: EventType::Enter,
-                        token_type: TokenType::HeadingAtxText,
+                        token_type: Token::HeadingAtxText,
                         point: tokenizer.events[start].point.clone(),
                         index: tokenizer.events[start].index,
                         previous: None,
@@ -221,7 +220,7 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                     0,
                     vec![Event {
                         event_type: EventType::Exit,
-                        token_type: TokenType::HeadingAtxText,
+                        token_type: Token::HeadingAtxText,
                         point: tokenizer.events[end].point.clone(),
                         index: tokenizer.events[end].index,
                         previous: None,
@@ -234,7 +233,7 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                 data_start = None;
                 data_end = None;
             }
-        } else if heading_start.is_some() && event.token_type == TokenType::Data {
+        } else if heading_start.is_some() && event.token_type == Token::Data {
             if event.event_type == EventType::Enter {
                 if data_start.is_none() {
                     data_start = Some(index);
diff --git a/src/construct/heading_setext.rs b/src/construct/heading_setext.rs
index 440baa8..633f7de 100644
--- a/src/construct/heading_setext.rs
+++ b/src/construct/heading_setext.rs
@@ -40,9 +40,9 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HeadingSetext`][TokenType::HeadingSetext]
-//! *   [`HeadingSetextText`][TokenType::HeadingSetextText]
-//! *   [`HeadingSetextUnderline`][TokenType::HeadingSetextUnderline]
+//! *   [`HeadingSetext`][Token::HeadingSetext]
+//! *   [`HeadingSetextText`][Token::HeadingSetextText]
+//! *   [`HeadingSetextUnderline`][Token::HeadingSetextUnderline]
 //!
 //! ## References
 //!
@@ -59,7 +59,8 @@
 
 use crate::constant::TAB_SIZE;
 use crate::construct::partial_space_or_tab::{space_or_tab, space_or_tab_min_max};
-use crate::tokenizer::{Code, Event, EventType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, Event, EventType, State, StateFnResult, Tokenizer};
 use crate::util::{edit_map::EditMap, skip::opt_back as skip_opt_back};
 
 /// Kind of underline.
@@ -120,14 +121,14 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
         skip_opt_back(
             &tokenizer.events,
             index - 1,
-            &[TokenType::SpaceOrTab, TokenType::BlockQuotePrefix],
+            &[Token::SpaceOrTab, Token::BlockQuotePrefix],
         )
     } else {
         0
     };
-    let previous = skip_opt_back(&tokenizer.events, previous, &[TokenType::LineEnding]);
+    let previous = skip_opt_back(&tokenizer.events, previous, &[Token::LineEnding]);
     let paragraph_before =
-        previous > 1 && tokenizer.events[previous].token_type == TokenType::Paragraph;
+        previous > 1 && tokenizer.events[previous].token_type == Token::Paragraph;
 
     println!(
         "setext-start: {:?} {:?} {:?}",
@@ -152,7 +153,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(char) if char == '-' || char == '=' => {
-            tokenizer.enter(TokenType::HeadingSetextUnderline);
+            tokenizer.enter(Token::HeadingSetextUnderline);
             inside(tokenizer, code, Kind::from_char(char))
         }
         _ => (State::Nok, None),
@@ -184,7 +185,7 @@ fn inside(tokenizer: &mut Tokenizer, code: Code, kind: Kind) -> StateFnResult {
 fn after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::HeadingSetextUnderline);
+            tokenizer.exit(Token::HeadingSetextUnderline);
             // Feel free to interrupt.
             tokenizer.interrupt = false;
             tokenizer.register_resolver("heading_setext".to_string(), Box::new(resolve));
@@ -206,27 +207,27 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
 
         // Find paragraphs.
         if event.event_type == EventType::Enter {
-            if event.token_type == TokenType::Paragraph {
+            if event.token_type == Token::Paragraph {
                 paragraph_enter = Some(index);
             }
-        } else if event.token_type == TokenType::Paragraph {
+        } else if event.token_type == Token::Paragraph {
             paragraph_exit = Some(index);
         }
         // We know this is preceded by a paragraph.
         // Otherwise we don’t parse.
-        else if event.token_type == TokenType::HeadingSetextUnderline {
+        else if event.token_type == Token::HeadingSetextUnderline {
             let enter = paragraph_enter.take().unwrap();
             let exit = paragraph_exit.take().unwrap();
 
             // Change types of Enter:Paragraph, Exit:Paragraph.
-            tokenizer.events[enter].token_type = TokenType::HeadingSetextText;
-            tokenizer.events[exit].token_type = TokenType::HeadingSetextText;
+            tokenizer.events[enter].token_type = Token::HeadingSetextText;
+            tokenizer.events[exit].token_type = Token::HeadingSetextText;
 
             // Add Enter:HeadingSetext, Exit:HeadingSetext.
             let mut heading_enter = tokenizer.events[enter].clone();
-            heading_enter.token_type = TokenType::HeadingSetext;
+            heading_enter.token_type = Token::HeadingSetext;
             let mut heading_exit = tokenizer.events[index].clone();
-            heading_exit.token_type = TokenType::HeadingSetext;
+            heading_exit.token_type = Token::HeadingSetext;
 
             edit_map.add(enter, 0, vec![heading_enter]);
             edit_map.add(index + 1, 0, vec![heading_exit]);
diff --git a/src/construct/html_flow.rs b/src/construct/html_flow.rs
index be7a3a9..fde0a34 100644
--- a/src/construct/html_flow.rs
+++ b/src/construct/html_flow.rs
@@ -82,9 +82,9 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HtmlFlow`][TokenType::HtmlFlow]
-//! *   [`HtmlFlowData`][TokenType::HtmlFlowData]
-//! *   [`LineEnding`][TokenType::LineEnding]
+//! *   [`HtmlFlow`][Token::HtmlFlow]
+//! *   [`HtmlFlowData`][Token::HtmlFlowData]
+//! *   [`LineEnding`][Token::LineEnding]
 //!
 //! ## References
 //!
@@ -102,7 +102,8 @@ use crate::constant::{HTML_BLOCK_NAMES, HTML_RAW_NAMES, HTML_RAW_SIZE_MAX, TAB_S
 use crate::construct::{
     blank_line::start as blank_line, partial_space_or_tab::space_or_tab_min_max,
 };
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 use crate::util::codes::{parse, serialize};
 
 // To do: mark as concrete (block quotes or lists can’t “pierce” into HTML).
@@ -203,8 +204,8 @@ struct Info {
 /// ```
 ///
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.enter(TokenType::HtmlFlow);
-    tokenizer.enter(TokenType::HtmlFlowData);
+    tokenizer.enter(Token::HtmlFlow);
+    tokenizer.enter(Token::HtmlFlowData);
     // To do: allow arbitrary when code (indented) is turned off.
     tokenizer.go(space_or_tab_min_max(0, TAB_SIZE - 1), before)(tokenizer, code)
 }
@@ -776,7 +777,7 @@ fn continuation(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnRes
 /// |
 /// ```
 fn continuation_at_line_ending(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
-    tokenizer.exit(TokenType::HtmlFlowData);
+    tokenizer.exit(Token::HtmlFlowData);
     html_continue_start(tokenizer, code, info)
 }
 
@@ -789,23 +790,23 @@ fn continuation_at_line_ending(tokenizer: &mut Tokenizer, code: Code, info: Info
 fn html_continue_start(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None => {
-            tokenizer.exit(TokenType::HtmlFlow);
+            tokenizer.exit(Token::HtmlFlow);
             // Feel free to interrupt.
             tokenizer.interrupt = false;
             (State::Ok, Some(vec![code]))
         }
         // To do: do not allow lazy lines.
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (
                 State::Fn(Box::new(|t, c| html_continue_start(t, c, info))),
                 None,
             )
         }
         _ => {
-            tokenizer.enter(TokenType::HtmlFlowData);
+            tokenizer.enter(Token::HtmlFlowData);
             continuation(tokenizer, code, info)
         }
     }
@@ -955,8 +956,8 @@ fn continuation_declaration_inside(
 fn continuation_close(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::HtmlFlowData);
-            tokenizer.exit(TokenType::HtmlFlow);
+            tokenizer.exit(Token::HtmlFlowData);
+            tokenizer.exit(Token::HtmlFlow);
             // Feel free to interrupt.
             tokenizer.interrupt = false;
             (State::Ok, Some(vec![code]))
@@ -978,8 +979,8 @@ fn continuation_close(tokenizer: &mut Tokenizer, code: Code, info: Info) -> Stat
 ///
 /// ```
 fn blank_line_before(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.enter(TokenType::LineEnding);
+    tokenizer.enter(Token::LineEnding);
     tokenizer.consume(code);
-    tokenizer.exit(TokenType::LineEnding);
+    tokenizer.exit(Token::LineEnding);
     (State::Fn(Box::new(blank_line)), None)
 }
diff --git a/src/construct/html_text.rs b/src/construct/html_text.rs
index 0926f48..cdd7c69 100644
--- a/src/construct/html_text.rs
+++ b/src/construct/html_text.rs
@@ -42,8 +42,8 @@
 //!
 //! ## Tokens
 //!
-//! *   [`HtmlText`][TokenType::HtmlText]
-//! *   [`HtmlTextData`][TokenType::HtmlTextData]
+//! *   [`HtmlText`][Token::HtmlText]
+//! *   [`HtmlTextData`][Token::HtmlTextData]
 //!
 //! ## References
 //!
@@ -55,7 +55,8 @@
 //! [html-parsing]: https://html.spec.whatwg.org/multipage/parsing.html#parsing
 
 use crate::construct::partial_space_or_tab::space_or_tab;
-use crate::tokenizer::{Code, State, StateFn, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFn, StateFnResult, Tokenizer};
 use crate::util::codes::parse;
 
 /// Start of HTML (text)
@@ -65,8 +66,8 @@ use crate::util::codes::parse;
 /// ```
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     if Code::Char('<') == code {
-        tokenizer.enter(TokenType::HtmlText);
-        tokenizer.enter(TokenType::HtmlTextData);
+        tokenizer.enter(Token::HtmlText);
+        tokenizer.enter(Token::HtmlTextData);
         tokenizer.consume(code);
         (State::Fn(Box::new(open)), None)
     } else {
@@ -617,8 +618,8 @@ fn end(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('>') => {
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::HtmlTextData);
-            tokenizer.exit(TokenType::HtmlText);
+            tokenizer.exit(Token::HtmlTextData);
+            tokenizer.exit(Token::HtmlText);
             (State::Ok, None)
         }
         _ => (State::Nok, None),
@@ -641,10 +642,10 @@ fn at_line_ending(
 ) -> StateFnResult {
     match code {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::HtmlTextData);
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.exit(Token::HtmlTextData);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (
                 State::Fn(Box::new(|t, c| after_line_ending(t, c, return_state))),
                 None,
@@ -687,6 +688,6 @@ fn after_line_ending_prefix(
     code: Code,
     return_state: Box,
 ) -> StateFnResult {
-    tokenizer.enter(TokenType::HtmlTextData);
+    tokenizer.enter(Token::HtmlTextData);
     return_state(tokenizer, code)
 }
diff --git a/src/construct/label_end.rs b/src/construct/label_end.rs
index 3a40cc2..29ac6f9 100644
--- a/src/construct/label_end.rs
+++ b/src/construct/label_end.rs
@@ -102,28 +102,28 @@
 //!
 //! ## Tokens
 //!
-//! *   [`Data`][TokenType::Data]
-//! *   [`Image`][TokenType::Image]
-//! *   [`Label`][TokenType::Label]
-//! *   [`LabelEnd`][TokenType::LabelEnd]
-//! *   [`LabelMarker`][TokenType::LabelMarker]
-//! *   [`LabelText`][TokenType::LabelText]
-//! *   [`LineEnding`][TokenType::LineEnding]
-//! *   [`Link`][TokenType::Link]
-//! *   [`Reference`][TokenType::Reference]
-//! *   [`ReferenceMarker`][TokenType::ReferenceMarker]
-//! *   [`ReferenceString`][TokenType::ReferenceString]
-//! *   [`Resource`][TokenType::Resource]
-//! *   [`ResourceDestination`][TokenType::ResourceDestination]
-//! *   [`ResourceDestinationLiteral`][TokenType::ResourceDestinationLiteral]
-//! *   [`ResourceDestinationLiteralMarker`][TokenType::ResourceDestinationLiteralMarker]
-//! *   [`ResourceDestinationRaw`][TokenType::ResourceDestinationRaw]
-//! *   [`ResourceDestinationString`][TokenType::ResourceDestinationString]
-//! *   [`ResourceMarker`][TokenType::ResourceMarker]
-//! *   [`ResourceTitle`][TokenType::ResourceTitle]
-//! *   [`ResourceTitleMarker`][TokenType::ResourceTitleMarker]
-//! *   [`ResourceTitleString`][TokenType::ResourceTitleString]
-//! *   [`SpaceOrTab`][TokenType::SpaceOrTab]
+//! *   [`Data`][Token::Data]
+//! *   [`Image`][Token::Image]
+//! *   [`Label`][Token::Label]
+//! *   [`LabelEnd`][Token::LabelEnd]
+//! *   [`LabelMarker`][Token::LabelMarker]
+//! *   [`LabelText`][Token::LabelText]
+//! *   [`LineEnding`][Token::LineEnding]
+//! *   [`Link`][Token::Link]
+//! *   [`Reference`][Token::Reference]
+//! *   [`ReferenceMarker`][Token::ReferenceMarker]
+//! *   [`ReferenceString`][Token::ReferenceString]
+//! *   [`Resource`][Token::Resource]
+//! *   [`ResourceDestination`][Token::ResourceDestination]
+//! *   [`ResourceDestinationLiteral`][Token::ResourceDestinationLiteral]
+//! *   [`ResourceDestinationLiteralMarker`][Token::ResourceDestinationLiteralMarker]
+//! *   [`ResourceDestinationRaw`][Token::ResourceDestinationRaw]
+//! *   [`ResourceDestinationString`][Token::ResourceDestinationString]
+//! *   [`ResourceMarker`][Token::ResourceMarker]
+//! *   [`ResourceTitle`][Token::ResourceTitle]
+//! *   [`ResourceTitleMarker`][Token::ResourceTitleMarker]
+//! *   [`ResourceTitleString`][Token::ResourceTitleString]
+//! *   [`SpaceOrTab`][Token::SpaceOrTab]
 //!
 //! ## References
 //!
@@ -153,8 +153,9 @@ use crate::construct::{
     partial_space_or_tab::space_or_tab_eol,
     partial_title::{start as title, Options as TitleOptions},
 };
+use crate::token::Token;
 use crate::tokenizer::{
-    Code, Event, EventType, LabelStart, Media, State, StateFnResult, TokenType, Tokenizer,
+    Code, Event, EventType, LabelStart, Media, State, StateFnResult, Tokenizer,
 };
 use crate::util::{
     edit_map::EditMap,
@@ -198,7 +199,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
             vec![
                 Event {
                     event_type: EventType::Enter,
-                    token_type: TokenType::Data,
+                    token_type: Token::Data,
                     point: events[data_enter_index].point.clone(),
                     index: events[data_enter_index].index,
                     previous: None,
@@ -207,7 +208,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
                 },
                 Event {
                     event_type: EventType::Exit,
-                    token_type: TokenType::Data,
+                    token_type: Token::Data,
                     point: events[data_exit_index].point.clone(),
                     index: events[data_exit_index].index,
                     previous: None,
@@ -229,7 +230,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
         let group_enter_event = &events[group_enter_index];
         // LabelLink:Exit or LabelImage:Exit.
         let text_enter_index = media.start.0
-            + (if group_enter_event.token_type == TokenType::LabelLink {
+            + (if group_enter_event.token_type == Token::LabelLink {
                 4
             } else {
                 6
@@ -248,10 +249,10 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
             vec![
                 Event {
                     event_type: EventType::Enter,
-                    token_type: if group_enter_event.token_type == TokenType::LabelLink {
-                        TokenType::Link
+                    token_type: if group_enter_event.token_type == Token::LabelLink {
+                        Token::Link
                     } else {
-                        TokenType::Image
+                        Token::Image
                     },
                     point: group_enter_event.point.clone(),
                     index: group_enter_event.index,
@@ -261,7 +262,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
                 },
                 Event {
                     event_type: EventType::Enter,
-                    token_type: TokenType::Label,
+                    token_type: Token::Label,
                     point: group_enter_event.point.clone(),
                     index: group_enter_event.index,
                     previous: None,
@@ -279,7 +280,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
                 0,
                 vec![Event {
                     event_type: EventType::Enter,
-                    token_type: TokenType::LabelText,
+                    token_type: Token::LabelText,
                     point: events[text_enter_index].point.clone(),
                     index: events[text_enter_index].index,
                     previous: None,
@@ -294,7 +295,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
                 0,
                 vec![Event {
                     event_type: EventType::Exit,
-                    token_type: TokenType::LabelText,
+                    token_type: Token::LabelText,
                     point: events[text_exit_index].point.clone(),
                     index: events[text_exit_index].index,
                     previous: None,
@@ -310,7 +311,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
             0,
             vec![Event {
                 event_type: EventType::Exit,
-                token_type: TokenType::Label,
+                token_type: Token::Label,
                 point: events[label_exit_index].point.clone(),
                 index: events[label_exit_index].index,
                 previous: None,
@@ -325,7 +326,7 @@ pub fn resolve_media(tokenizer: &mut Tokenizer) -> Vec {
             0,
             vec![Event {
                 event_type: EventType::Exit,
-                token_type: TokenType::Link,
+                token_type: Token::Link,
                 point: events[group_end_index].point.clone(),
                 index: events[group_end_index].index,
                 previous: None,
@@ -393,11 +394,11 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                 },
             };
 
-            tokenizer.enter(TokenType::LabelEnd);
-            tokenizer.enter(TokenType::LabelMarker);
+            tokenizer.enter(Token::LabelEnd);
+            tokenizer.enter(Token::LabelMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LabelMarker);
-            tokenizer.exit(TokenType::LabelEnd);
+            tokenizer.exit(Token::LabelMarker);
+            tokenizer.exit(Token::LabelEnd);
 
             return (State::Fn(Box::new(move |t, c| after(t, c, info))), None);
         }
@@ -495,13 +496,13 @@ fn ok(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult {
     left.remove(0);
     tokenizer.label_start_list_loose.append(&mut left);
 
-    let is_link = tokenizer.events[info.media.start.0].token_type == TokenType::LabelLink;
+    let is_link = tokenizer.events[info.media.start.0].token_type == Token::LabelLink;
 
     if is_link {
         let mut index = 0;
         while index < tokenizer.label_start_stack.len() {
             let label_start = &mut tokenizer.label_start_stack[index];
-            if tokenizer.events[label_start.start.0].token_type == TokenType::LabelLink {
+            if tokenizer.events[label_start.start.0].token_type == Token::LabelLink {
                 label_start.inactive = true;
             }
             index += 1;
@@ -543,10 +544,10 @@ fn nok(tokenizer: &mut Tokenizer, _code: Code, label_start_index: usize) -> Stat
 fn resource(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('(') => {
-            tokenizer.enter(TokenType::Resource);
-            tokenizer.enter(TokenType::ResourceMarker);
+            tokenizer.enter(Token::Resource);
+            tokenizer.enter(Token::ResourceMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::ResourceMarker);
+            tokenizer.exit(Token::ResourceMarker);
             (State::Fn(Box::new(resource_start)), None)
         }
         _ => unreachable!("expected `(`"),
@@ -577,11 +578,11 @@ fn resource_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                     c,
                     DestinationOptions {
                         limit: RESOURCE_DESTINATION_BALANCE_MAX,
-                        destination: TokenType::ResourceDestination,
-                        literal: TokenType::ResourceDestinationLiteral,
-                        marker: TokenType::ResourceDestinationLiteralMarker,
-                        raw: TokenType::ResourceDestinationRaw,
-                        string: TokenType::ResourceDestinationString,
+                        destination: Token::ResourceDestination,
+                        literal: Token::ResourceDestinationLiteral,
+                        marker: Token::ResourceDestinationLiteralMarker,
+                        raw: Token::ResourceDestinationRaw,
+                        string: Token::ResourceDestinationString,
                     },
                 )
             },
@@ -616,9 +617,9 @@ fn resource_between(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                     t,
                     c,
                     TitleOptions {
-                        title: TokenType::ResourceTitle,
-                        marker: TokenType::ResourceTitleMarker,
-                        string: TokenType::ResourceTitleString,
+                        title: Token::ResourceTitle,
+                        marker: Token::ResourceTitleMarker,
+                        string: Token::ResourceTitleString,
                     },
                 )
             },
@@ -647,10 +648,10 @@ fn title_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn resource_end(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(')') => {
-            tokenizer.enter(TokenType::ResourceMarker);
+            tokenizer.enter(Token::ResourceMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::ResourceMarker);
-            tokenizer.exit(TokenType::Resource);
+            tokenizer.exit(Token::ResourceMarker);
+            tokenizer.exit(Token::Resource);
             (State::Ok, None)
         }
         _ => (State::Nok, None),
@@ -670,9 +671,9 @@ fn full_reference(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
                     t,
                     c,
                     LabelOptions {
-                        label: TokenType::Reference,
-                        marker: TokenType::ReferenceMarker,
-                        string: TokenType::ReferenceString,
+                        label: Token::Reference,
+                        marker: Token::ReferenceMarker,
+                        string: Token::ReferenceString,
                     },
                 )
             },
@@ -696,7 +697,7 @@ fn full_reference_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult
     while index > 0 {
         index -= 1;
         let event = &events[index];
-        if event.token_type == TokenType::ReferenceString {
+        if event.token_type == Token::ReferenceString {
             if event.event_type == EventType::Exit {
                 end = Some(event.index);
             } else {
@@ -735,10 +736,10 @@ fn full_reference_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult
 fn collapsed_reference(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('[') => {
-            tokenizer.enter(TokenType::Reference);
-            tokenizer.enter(TokenType::ReferenceMarker);
+            tokenizer.enter(Token::Reference);
+            tokenizer.enter(Token::ReferenceMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::ReferenceMarker);
+            tokenizer.exit(Token::ReferenceMarker);
             (State::Fn(Box::new(collapsed_reference_open)), None)
         }
         _ => (State::Nok, None),
@@ -755,10 +756,10 @@ fn collapsed_reference(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn collapsed_reference_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char(']') => {
-            tokenizer.enter(TokenType::ReferenceMarker);
+            tokenizer.enter(Token::ReferenceMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::ReferenceMarker);
-            tokenizer.exit(TokenType::Reference);
+            tokenizer.exit(Token::ReferenceMarker);
+            tokenizer.exit(Token::Reference);
             (State::Ok, None)
         }
         _ => (State::Nok, None),
diff --git a/src/construct/label_start_image.rs b/src/construct/label_start_image.rs
index a45205a..f9b8300 100644
--- a/src/construct/label_start_image.rs
+++ b/src/construct/label_start_image.rs
@@ -15,9 +15,9 @@
 //!
 //! ## Tokens
 //!
-//! *   [`LabelImage`][TokenType::LabelImage]
-//! *   [`LabelImageMarker`][TokenType::LabelImageMarker]
-//! *   [`LabelMarker`][TokenType::LabelMarker]
+//! *   [`LabelImage`][Token::LabelImage]
+//! *   [`LabelImageMarker`][Token::LabelImageMarker]
+//! *   [`LabelMarker`][Token::LabelMarker]
 //!
 //! ## References
 //!
@@ -29,7 +29,8 @@
 //! [html-img]: https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element
 
 use super::label_end::resolve_media;
-use crate::tokenizer::{Code, LabelStart, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, LabelStart, State, StateFnResult, Tokenizer};
 
 /// Start of label (image) start.
 ///
@@ -39,10 +40,10 @@ use crate::tokenizer::{Code, LabelStart, State, StateFnResult, TokenType, Tokeni
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('!') => {
-            tokenizer.enter(TokenType::LabelImage);
-            tokenizer.enter(TokenType::LabelImageMarker);
+            tokenizer.enter(Token::LabelImage);
+            tokenizer.enter(Token::LabelImageMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LabelImageMarker);
+            tokenizer.exit(Token::LabelImageMarker);
             (State::Fn(Box::new(open)), None)
         }
         _ => (State::Nok, None),
@@ -57,10 +58,10 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 pub fn open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('[') => {
-            tokenizer.enter(TokenType::LabelMarker);
+            tokenizer.enter(Token::LabelMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LabelMarker);
-            tokenizer.exit(TokenType::LabelImage);
+            tokenizer.exit(Token::LabelMarker);
+            tokenizer.exit(Token::LabelImage);
             let end = tokenizer.events.len() - 1;
             tokenizer.label_start_stack.push(LabelStart {
                 start: (end - 5, end),
diff --git a/src/construct/label_start_link.rs b/src/construct/label_start_link.rs
index 6c4d7ae..59729cc 100644
--- a/src/construct/label_start_link.rs
+++ b/src/construct/label_start_link.rs
@@ -15,8 +15,8 @@
 //!
 //! ## Tokens
 //!
-//! *   [`LabelLink`][TokenType::LabelLink]
-//! *   [`LabelMarker`][TokenType::LabelMarker]
+//! *   [`LabelLink`][Token::LabelLink]
+//! *   [`LabelMarker`][Token::LabelMarker]
 //!
 //! ## References
 //!
@@ -28,7 +28,8 @@
 //! [html-a]: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element
 
 use super::label_end::resolve_media;
-use crate::tokenizer::{Code, LabelStart, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, LabelStart, State, StateFnResult, Tokenizer};
 
 /// Start of label (link) start.
 ///
@@ -39,11 +40,11 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::Char('[') => {
             let start = tokenizer.events.len();
-            tokenizer.enter(TokenType::LabelLink);
-            tokenizer.enter(TokenType::LabelMarker);
+            tokenizer.enter(Token::LabelLink);
+            tokenizer.enter(Token::LabelMarker);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LabelMarker);
-            tokenizer.exit(TokenType::LabelLink);
+            tokenizer.exit(Token::LabelMarker);
+            tokenizer.exit(Token::LabelLink);
             tokenizer.label_start_stack.push(LabelStart {
                 start: (start, tokenizer.events.len() - 1),
                 balanced: false,
diff --git a/src/construct/paragraph.rs b/src/construct/paragraph.rs
index ace174f..967e009 100644
--- a/src/construct/paragraph.rs
+++ b/src/construct/paragraph.rs
@@ -19,7 +19,7 @@
 //!
 //! ## Tokens
 //!
-//! *   [`Paragraph`][TokenType::Paragraph]
+//! *   [`Paragraph`][Token::Paragraph]
 //!
 //! ## References
 //!
@@ -32,9 +32,8 @@
 //! [code_text]: crate::construct::code_text
 //! [html]: https://html.spec.whatwg.org/multipage/grouping-content.html#the-p-element
 
-use crate::tokenizer::{
-    Code, ContentType, Event, EventType, State, StateFnResult, TokenType, Tokenizer,
-};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, Event, EventType, State, StateFnResult, Tokenizer};
 use crate::util::{edit_map::EditMap, skip::opt as skip_opt};
 
 /// Before a paragraph.
@@ -48,8 +47,8 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
             unreachable!("unexpected eol/eof")
         }
         _ => {
-            tokenizer.enter(TokenType::Paragraph);
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::Text));
+            tokenizer.enter(Token::Paragraph);
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::Text));
             inside(tokenizer, code)
         }
     }
@@ -63,8 +62,8 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
 fn inside(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::Data);
-            tokenizer.exit(TokenType::Paragraph);
+            tokenizer.exit(Token::Data);
+            tokenizer.exit(Token::Paragraph);
             tokenizer.register_resolver_before("paragraph".to_string(), Box::new(resolve));
             // You’d be interrupting.
             tokenizer.interrupt = true;
@@ -87,21 +86,21 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
     while index < len {
         let event = &tokenizer.events[index];
 
-        if event.event_type == EventType::Enter && event.token_type == TokenType::Paragraph {
+        if event.event_type == EventType::Enter && event.token_type == Token::Paragraph {
             // Exit:Paragraph
             let mut exit_index = index + 3;
             let mut enter_next_index =
-                skip_opt(&tokenizer.events, exit_index + 1, &[TokenType::LineEnding]);
+                skip_opt(&tokenizer.events, exit_index + 1, &[Token::LineEnding]);
             // Enter:Paragraph
             enter_next_index = skip_opt(
                 &tokenizer.events,
                 enter_next_index,
-                &[TokenType::SpaceOrTab, TokenType::BlockQuotePrefix],
+                &[Token::SpaceOrTab, Token::BlockQuotePrefix],
             );
 
             // Find future `Paragraphs`.
             while enter_next_index < tokenizer.events.len()
-                && tokenizer.events[enter_next_index].token_type == TokenType::Paragraph
+                && tokenizer.events[enter_next_index].token_type == Token::Paragraph
             {
                 // Remove Exit:Paragraph, Enter:LineEnding, Exit:LineEnding, Enter:Paragraph.
                 edit_map.add(exit_index, 3, vec![]);
@@ -126,11 +125,11 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
                 // Potential next start.
                 exit_index = enter_next_index + 3;
                 enter_next_index =
-                    skip_opt(&tokenizer.events, exit_index + 1, &[TokenType::LineEnding]);
+                    skip_opt(&tokenizer.events, exit_index + 1, &[Token::LineEnding]);
                 enter_next_index = skip_opt(
                     &tokenizer.events,
                     enter_next_index,
-                    &[TokenType::SpaceOrTab, TokenType::BlockQuotePrefix],
+                    &[Token::SpaceOrTab, Token::BlockQuotePrefix],
                 );
             }
 
diff --git a/src/construct/partial_data.rs b/src/construct/partial_data.rs
index 555ccaf..186665d 100644
--- a/src/construct/partial_data.rs
+++ b/src/construct/partial_data.rs
@@ -6,7 +6,8 @@
 //! [string]: crate::content::string
 //! [text]: crate::content::text
 
-use crate::tokenizer::{Code, Event, EventType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, Event, EventType, State, StateFnResult, Tokenizer};
 use crate::util::edit_map::EditMap;
 
 /// At the beginning of data.
@@ -16,7 +17,7 @@ use crate::util::edit_map::EditMap;
 /// ```
 pub fn start(tokenizer: &mut Tokenizer, code: Code, stop: Vec) -> StateFnResult {
     if stop.contains(&code) {
-        tokenizer.enter(TokenType::Data);
+        tokenizer.enter(Token::Data);
         tokenizer.consume(code);
         (State::Fn(Box::new(|t, c| data(t, c, stop))), None)
     } else {
@@ -33,9 +34,9 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, stop: Vec) -> StateFnRe
     match code {
         Code::None => (State::Ok, None),
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (State::Fn(Box::new(|t, c| at_break(t, c, stop))), None)
         }
         _ if stop.contains(&code) => {
@@ -43,7 +44,7 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, stop: Vec) -> StateFnRe
             (State::Ok, Some(vec![code]))
         }
         _ => {
-            tokenizer.enter(TokenType::Data);
+            tokenizer.enter(Token::Data);
             data(tokenizer, code, stop)
         }
     }
@@ -62,7 +63,7 @@ fn data(tokenizer: &mut Tokenizer, code: Code, stop: Vec) -> StateFnResult
     };
 
     if done {
-        tokenizer.exit(TokenType::Data);
+        tokenizer.exit(Token::Data);
         at_break(tokenizer, code, stop)
     } else {
         tokenizer.consume(code);
@@ -80,13 +81,13 @@ pub fn resolve(tokenizer: &mut Tokenizer) -> Vec {
     while index < len {
         let event = &tokenizer.events[index];
 
-        if event.event_type == EventType::Enter && event.token_type == TokenType::Data {
+        if event.event_type == EventType::Enter && event.token_type == Token::Data {
             let exit_index = index + 1;
             let mut exit_far_index = exit_index;
 
             // Find multiple `data` events.
             while exit_far_index + 1 < len
-                && tokenizer.events[exit_far_index + 1].token_type == TokenType::Data
+                && tokenizer.events[exit_far_index + 1].token_type == Token::Data
             {
                 exit_far_index += 2;
             }
diff --git a/src/construct/partial_destination.rs b/src/construct/partial_destination.rs
index 31c13ec..daa968a 100644
--- a/src/construct/partial_destination.rs
+++ b/src/construct/partial_destination.rs
@@ -71,7 +71,8 @@
 //! [label_end]: crate::construct::label_end
 //! [sanitize_uri]: crate::util::sanitize_uri
 
-use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, State, StateFnResult, Tokenizer};
 
 /// Configuration.
 ///
@@ -79,15 +80,15 @@ use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Token
 #[derive(Debug)]
 pub struct Options {
     /// Token for the whole destination.
-    pub destination: TokenType,
+    pub destination: Token,
     /// Token for a literal (enclosed) destination.
-    pub literal: TokenType,
+    pub literal: Token,
     /// Token for a literal marker.
-    pub marker: TokenType,
+    pub marker: Token,
     /// Token for a raw destination.
-    pub raw: TokenType,
+    pub raw: Token,
     /// Token for a the string.
-    pub string: TokenType,
+    pub string: Token,
     /// Maximum unbalanced parens.
     pub limit: usize,
 }
@@ -133,7 +134,7 @@ pub fn start(tokenizer: &mut Tokenizer, code: Code, options: Options) -> StateFn
             tokenizer.enter(info.options.destination.clone());
             tokenizer.enter(info.options.raw.clone());
             tokenizer.enter(info.options.string.clone());
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
             raw(tokenizer, code, info)
         }
     }
@@ -154,7 +155,7 @@ fn enclosed_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFn
         (State::Ok, None)
     } else {
         tokenizer.enter(info.options.string.clone());
-        tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+        tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
         enclosed(tokenizer, code, info)
     }
 }
@@ -167,7 +168,7 @@ fn enclosed_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFn
 fn enclosed(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::Char('>') => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             tokenizer.exit(info.options.string.clone());
             enclosed_before(tokenizer, code, info)
         }
@@ -221,7 +222,7 @@ fn raw(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult {
         }
         Code::Char(')') => {
             if info.balance == 0 {
-                tokenizer.exit(TokenType::Data);
+                tokenizer.exit(Token::Data);
                 tokenizer.exit(info.options.string.clone());
                 tokenizer.exit(info.options.raw.clone());
                 tokenizer.exit(info.options.destination);
@@ -239,7 +240,7 @@ fn raw(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult {
             if info.balance > 0 {
                 (State::Nok, None)
             } else {
-                tokenizer.exit(TokenType::Data);
+                tokenizer.exit(Token::Data);
                 tokenizer.exit(info.options.string.clone());
                 tokenizer.exit(info.options.raw.clone());
                 tokenizer.exit(info.options.destination);
diff --git a/src/construct/partial_label.rs b/src/construct/partial_label.rs
index f201f60..f380c7d 100644
--- a/src/construct/partial_label.rs
+++ b/src/construct/partial_label.rs
@@ -61,7 +61,8 @@
 use super::partial_space_or_tab::{space_or_tab_eol_with_options, EolOptions};
 use crate::constant::LINK_REFERENCE_SIZE_MAX;
 use crate::subtokenize::link;
-use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, State, StateFnResult, Tokenizer};
 
 /// Configuration.
 ///
@@ -69,11 +70,11 @@ use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Token
 #[derive(Debug)]
 pub struct Options {
     /// Token for the whole label.
-    pub label: TokenType,
+    pub label: Token,
     /// Token for the markers.
-    pub marker: TokenType,
+    pub marker: Token,
     /// Token for the string (inside the markers).
-    pub string: TokenType,
+    pub string: Token,
 }
 
 /// State needed to parse labels.
@@ -144,7 +145,7 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnRes
             },
         )(tokenizer, code),
         _ => {
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
 
             if info.connect {
                 let index = tokenizer.events.len() - 1;
@@ -166,11 +167,11 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnRes
 fn label(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResult {
     match code {
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r' | '[' | ']') => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             at_break(tokenizer, code, info)
         }
         _ if info.size > LINK_REFERENCE_SIZE_MAX => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             at_break(tokenizer, code, info)
         }
         Code::VirtualSpace | Code::Char('\t' | ' ') => {
diff --git a/src/construct/partial_space_or_tab.rs b/src/construct/partial_space_or_tab.rs
index 5b1ec5e..78477de 100644
--- a/src/construct/partial_space_or_tab.rs
+++ b/src/construct/partial_space_or_tab.rs
@@ -5,7 +5,8 @@
 //! *   [`micromark-factory-space/index.js` in `micromark`](https://github.com/micromark/micromark/blob/main/packages/micromark-factory-space/dev/index.js)
 
 use crate::subtokenize::link;
-use crate::tokenizer::{Code, ContentType, State, StateFn, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, State, StateFn, StateFnResult, Tokenizer};
 
 /// Options to parse `space_or_tab`.
 #[derive(Debug)]
@@ -15,7 +16,7 @@ pub struct Options {
     /// Maximum allowed characters (inclusive).
     pub max: usize,
     /// Token type to use for whitespace events.
-    pub kind: TokenType,
+    pub kind: Token,
     /// Connect this whitespace to the previous.
     pub connect: bool,
     /// Embedded content type to use.
@@ -67,7 +68,7 @@ pub fn space_or_tab() -> Box {
 /// ```
 pub fn space_or_tab_min_max(min: usize, max: usize) -> Box {
     space_or_tab_with_options(Options {
-        kind: TokenType::SpaceOrTab,
+        kind: Token::SpaceOrTab,
         min,
         max,
         content_type: None,
@@ -104,7 +105,7 @@ pub fn space_or_tab_eol_with_options(options: EolOptions) -> Box {
 
         tokenizer.attempt(
             space_or_tab_with_options(Options {
-                kind: TokenType::SpaceOrTab,
+                kind: Token::SpaceOrTab,
                 min: 1,
                 max: usize::MAX,
                 content_type: info.options.content_type,
@@ -196,7 +197,7 @@ fn inside(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnResul
 fn after_space_or_tab(tokenizer: &mut Tokenizer, code: Code, mut info: EolInfo) -> StateFnResult {
     match code {
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter_with_content(TokenType::LineEnding, info.options.content_type);
+            tokenizer.enter_with_content(Token::LineEnding, info.options.content_type);
 
             if info.connect {
                 let index = tokenizer.events.len() - 1;
@@ -206,7 +207,7 @@ fn after_space_or_tab(tokenizer: &mut Tokenizer, code: Code, mut info: EolInfo)
             }
 
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (State::Fn(Box::new(|t, c| after_eol(t, c, info))), None)
         }
         _ if info.ok => (State::Ok, Some(vec![code])),
@@ -229,7 +230,7 @@ fn after_space_or_tab(tokenizer: &mut Tokenizer, code: Code, mut info: EolInfo)
 fn after_eol(tokenizer: &mut Tokenizer, code: Code, info: EolInfo) -> StateFnResult {
     tokenizer.attempt_opt(
         space_or_tab_with_options(Options {
-            kind: TokenType::SpaceOrTab,
+            kind: Token::SpaceOrTab,
             min: 1,
             max: usize::MAX,
             content_type: info.options.content_type,
diff --git a/src/construct/partial_title.rs b/src/construct/partial_title.rs
index 010f554..6303da8 100644
--- a/src/construct/partial_title.rs
+++ b/src/construct/partial_title.rs
@@ -32,7 +32,8 @@
 
 use super::partial_space_or_tab::{space_or_tab_eol_with_options, EolOptions};
 use crate::subtokenize::link;
-use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, ContentType, State, StateFnResult, Tokenizer};
 
 /// Configuration.
 ///
@@ -40,11 +41,11 @@ use crate::tokenizer::{Code, ContentType, State, StateFnResult, TokenType, Token
 #[derive(Debug)]
 pub struct Options {
     /// Token for the whole title.
-    pub title: TokenType,
+    pub title: Token,
     /// Token for the marker.
-    pub marker: TokenType,
+    pub marker: Token,
     /// Token for the string inside the quotes.
-    pub string: TokenType,
+    pub string: Token,
 }
 
 /// Type of title.
@@ -204,7 +205,7 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnRes
             },
         )(tokenizer, code),
         _ => {
-            tokenizer.enter_with_content(TokenType::Data, Some(ContentType::String));
+            tokenizer.enter_with_content(Token::Data, Some(ContentType::String));
 
             if info.connect {
                 let index = tokenizer.events.len() - 1;
@@ -226,11 +227,11 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnRes
 fn title(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult {
     match code {
         Code::Char(char) if char == info.kind.as_char() => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             at_break(tokenizer, code, info)
         }
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.exit(TokenType::Data);
+            tokenizer.exit(Token::Data);
             at_break(tokenizer, code, info)
         }
         Code::Char('\\') => {
diff --git a/src/construct/thematic_break.rs b/src/construct/thematic_break.rs
index 28aca34..4d92f8d 100644
--- a/src/construct/thematic_break.rs
+++ b/src/construct/thematic_break.rs
@@ -35,8 +35,8 @@
 //!
 //! ## Tokens
 //!
-//! *   [`ThematicBreak`][TokenType::ThematicBreak]
-//! *   [`ThematicBreakSequence`][TokenType::ThematicBreakSequence]
+//! *   [`ThematicBreak`][Token::ThematicBreak]
+//! *   [`ThematicBreakSequence`][Token::ThematicBreakSequence]
 //!
 //! ## References
 //!
@@ -51,7 +51,8 @@
 
 use super::partial_space_or_tab::{space_or_tab, space_or_tab_min_max};
 use crate::constant::{TAB_SIZE, THEMATIC_BREAK_MARKER_COUNT_MIN};
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Type of thematic break.
 #[derive(Debug, PartialEq)]
@@ -134,7 +135,7 @@ struct Info {
 /// |***
 /// ```
 pub fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
-    tokenizer.enter(TokenType::ThematicBreak);
+    tokenizer.enter(Token::ThematicBreak);
     // To do: allow arbitrary when code (indented) is turned off.
     tokenizer.go(space_or_tab_min_max(0, TAB_SIZE - 1), before)(tokenizer, code)
 }
@@ -170,13 +171,13 @@ fn at_break(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult
         Code::None | Code::CarriageReturnLineFeed | Code::Char('\n' | '\r')
             if info.size >= THEMATIC_BREAK_MARKER_COUNT_MIN =>
         {
-            tokenizer.exit(TokenType::ThematicBreak);
+            tokenizer.exit(Token::ThematicBreak);
             // Feel free to interrupt.
             tokenizer.interrupt = false;
             (State::Ok, Some(vec![code]))
         }
         Code::Char(char) if char == info.kind.as_char() => {
-            tokenizer.enter(TokenType::ThematicBreakSequence);
+            tokenizer.enter(Token::ThematicBreakSequence);
             sequence(tokenizer, code, info)
         }
         _ => (State::Nok, None),
@@ -198,7 +199,7 @@ fn sequence(tokenizer: &mut Tokenizer, code: Code, mut info: Info) -> StateFnRes
             (State::Fn(Box::new(|t, c| sequence(t, c, info))), None)
         }
         _ => {
-            tokenizer.exit(TokenType::ThematicBreakSequence);
+            tokenizer.exit(Token::ThematicBreakSequence);
             tokenizer.attempt_opt(space_or_tab(), |t, c| at_break(t, c, info))(tokenizer, code)
         }
     }
diff --git a/src/content/document.rs b/src/content/document.rs
index dd5038f..b1f3083 100644
--- a/src/content/document.rs
+++ b/src/content/document.rs
@@ -14,9 +14,8 @@ use crate::construct::block_quote::{
 use crate::content::flow::start as flow;
 use crate::parser::ParseState;
 use crate::subtokenize::subtokenize;
-use crate::tokenizer::{
-    Code, Event, EventType, Point, State, StateFn, StateFnResult, TokenType, Tokenizer,
-};
+use crate::token::Token;
+use crate::tokenizer::{Code, Event, EventType, Point, State, StateFn, StateFnResult, Tokenizer};
 use crate::util::edit_map::EditMap;
 use crate::util::{
     normalize_identifier::normalize_identifier,
@@ -44,9 +43,7 @@ pub fn document(parse_state: &mut ParseState, point: Point, index: usize) -> Vec
     while index < tokenizer.events.len() {
         let event = &tokenizer.events[index];
 
-        if event.event_type == EventType::Exit
-            && event.token_type == TokenType::DefinitionLabelString
-        {
+        if event.event_type == EventType::Exit && event.token_type == Token::DefinitionLabelString {
             next_definitions.insert(normalize_identifier(
                 serialize(
                     &parse_state.codes,
@@ -409,7 +406,7 @@ fn flow_end(
 
     // To do: blank lines? Other things?
     if tokenizer.events.len() > 2
-        && tokenizer.events[tokenizer.events.len() - 1].token_type == TokenType::LineEnding
+        && tokenizer.events[tokenizer.events.len() - 1].token_type == Token::LineEnding
     {
         info.last_line_ending_index = Some(tokenizer.events.len() - 2);
     } else {
diff --git a/src/content/flow.rs b/src/content/flow.rs
index f406685..e52f113 100644
--- a/src/content/flow.rs
+++ b/src/content/flow.rs
@@ -26,7 +26,8 @@ use crate::construct::{
     html_flow::start as html_flow, paragraph::start as paragraph,
     thematic_break::start as thematic_break,
 };
-use crate::tokenizer::{Code, State, StateFnResult, TokenType, Tokenizer};
+use crate::token::Token;
+use crate::tokenizer::{Code, State, StateFnResult, Tokenizer};
 
 /// Before flow.
 ///
@@ -88,9 +89,9 @@ fn blank_line_after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None => (State::Ok, None),
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::BlankLineEnding);
+            tokenizer.enter(Token::BlankLineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::BlankLineEnding);
+            tokenizer.exit(Token::BlankLineEnding);
             // Feel free to interrupt.
             tokenizer.interrupt = false;
             (State::Fn(Box::new(start)), None)
@@ -112,9 +113,9 @@ fn after(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult {
     match code {
         Code::None => (State::Ok, None),
         Code::CarriageReturnLineFeed | Code::Char('\n' | '\r') => {
-            tokenizer.enter(TokenType::LineEnding);
+            tokenizer.enter(Token::LineEnding);
             tokenizer.consume(code);
-            tokenizer.exit(TokenType::LineEnding);
+            tokenizer.exit(Token::LineEnding);
             (State::Fn(Box::new(start)), None)
         }
         _ => unreachable!("expected eol/eof"),
diff --git a/src/lib.rs b/src/lib.rs
index e1f26b4..1f49303 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,7 @@ mod construct;
 mod content;
 mod parser;
 mod subtokenize;
+mod token;
 mod tokenizer;
 mod unicode;
 mod util;
diff --git a/src/token.rs b/src/token.rs
new file mode 100644
index 0000000..9b59719
--- /dev/null
+++ b/src/token.rs
@@ -0,0 +1,1768 @@
+/// Semantic label of a span.
+#[derive(Debug, Clone, PartialEq, Hash, Eq)]
+pub enum Token {
+    /// Attention sequence.
+    ///
+    /// > 👉 **Note**: this is used while parsing but compiled away.
+    AttentionSequence,
+    /// Whole autolink.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`AutolinkEmail`][Token::AutolinkEmail],
+    ///     [`AutolinkMarker`][Token::AutolinkMarker],
+    ///     [`AutolinkProtocol`][Token::AutolinkProtocol]
+    /// *   **Construct**:
+    ///     [`autolink`][crate::construct::autolink]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > |  and 
+    ///     ^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^
+    /// ```
+    Autolink,
+    /// Email autolink w/o markers.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Autolink`][Token::Autolink]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`autolink`][crate::construct::autolink]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | 
+    ///      ^^^^^^^^^^^^^^^^^
+    /// ```
+    AutolinkEmail,
+    /// Marker of an autolink.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Autolink`][Token::Autolink]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`autolink`][crate::construct::autolink]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | 
+    ///     ^                   ^
+    /// ```
+    AutolinkMarker,
+    /// Protocol autolink w/o markers.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Autolink`][Token::Autolink]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`autolink`][crate::construct::autolink]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | 
+    ///      ^^^^^^^^^^^^^^^^^^^
+    /// ```
+    AutolinkProtocol,
+    /// Line ending preceded only by whitespace or nothing at all.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`blank_line`][crate::construct::blank_line]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | ␠␠␊
+    ///       ^
+    /// ```
+    BlankLineEnding,
+    /// Whole block quote.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [document content][crate::content::document]
+    /// *   **Content model**:
+    ///     [`BlockQuotePrefix`][Token::BlockQuotePrefix],
+    ///     [flow content][crate::content::flow]
+    /// *   **Construct**:
+    ///     [`block_quote`][crate::construct::block_quote]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | > a
+    ///     ^^^
+    /// > | b
+    ///     ^
+    /// ```
+    BlockQuote,
+    /// Block quote marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`BlockQuotePrefix`][Token::BlockQuotePrefix]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`block_quote`][crate::construct::block_quote]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | > a
+    ///     ^
+    ///   | b
+    /// ```
+    BlockQuoteMarker,
+    /// Block quote prefix.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`BlockQuote`][Token::BlockQuote]
+    /// *   **Content model**:
+    ///     [`BlockQuoteMarker`][Token::BlockQuoteMarker],
+    ///     [`BlockQuoteWhitespace`][Token::BlockQuoteWhitespace]
+    /// *   **Construct**:
+    ///     [`block_quote`][crate::construct::block_quote]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | > a
+    ///     ^^
+    ///   | b
+    /// ```
+    BlockQuotePrefix,
+    /// Block quote white space.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`BlockQuotePrefix`][Token::BlockQuotePrefix]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`block_quote`][crate::construct::block_quote]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | > a
+    ///      ^
+    ///   | b
+    /// ```
+    BlockQuoteWhitespace,
+    /// Whole character escape.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [string content][crate::content::string] or
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`CharacterEscapeMarker`][Token::CharacterEscapeMarker],
+    ///     [`CharacterEscapeValue`][Token::CharacterEscapeValue]
+    /// *   **Construct**:
+    ///     [`character_escape`][crate::construct::character_escape]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a \- b
+    ///       ^^
+    /// ```
+    CharacterEscape,
+    /// Character escape marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterEscape`][Token::CharacterEscape]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_escape`][crate::construct::character_escape]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a \- b
+    ///       ^
+    /// ```
+    CharacterEscapeMarker,
+    /// Character escape value.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterEscape`][Token::CharacterEscape]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_escape`][crate::construct::character_escape]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a \- b
+    ///        ^
+    /// ```
+    CharacterEscapeValue,
+    /// Whole character reference.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [string content][crate::content::string] or
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`CharacterReferenceMarker`][Token::CharacterReferenceMarker],
+    ///     [`CharacterReferenceMarkerHexadecimal`][Token::CharacterReferenceMarkerHexadecimal],
+    ///     [`CharacterReferenceMarkerNumeric`][Token::CharacterReferenceMarkerNumeric],
+    ///     [`CharacterReferenceMarkerSemi`][Token::CharacterReferenceMarkerSemi],
+    ///     [`CharacterReferenceValue`][Token::CharacterReferenceValue]
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///       ^^^^^   ^^^^^^^   ^^^^^^^^^
+    /// ```
+    CharacterReference,
+    /// Character reference opening marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterReference`][Token::CharacterReference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///       ^       ^         ^
+    /// ```
+    CharacterReferenceMarker,
+    /// Character reference hexadecimal numeric marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterReference`][Token::CharacterReference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///                           ^
+    /// ```
+    CharacterReferenceMarkerHexadecimal,
+    /// Character reference numeric marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterReference`][Token::CharacterReference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///                ^         ^
+    /// ```
+    CharacterReferenceMarkerNumeric,
+    /// Character reference closing marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterReference`][Token::CharacterReference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///           ^         ^           ^
+    /// ```
+    CharacterReferenceMarkerSemi,
+    /// Character reference value.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CharacterReference`][Token::CharacterReference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`character_reference`][crate::construct::character_reference]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a & b ≠ c 𝌆 d
+    ///        ^^^      ^^^^       ^^^^^
+    /// ```
+    CharacterReferenceValue,
+    /// Whole code (fenced).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`CodeFencedFence`][Token::CodeFencedFence],
+    ///     [`CodeFlowChunk`][Token::CodeFlowChunk],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    /// > | ```js
+    ///     ^^^^^
+    /// > | console.log(1)
+    ///     ^^^^^^^^^^^^^^
+    /// > | ```
+    ///     ^^^
+    /// ````
+    CodeFenced,
+    /// A code (fenced) fence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeFenced`][Token::CodeFenced]
+    /// *   **Content model**:
+    ///     [`CodeFencedFenceInfo`][Token::CodeFencedFenceInfo],
+    ///     [`CodeFencedFenceMeta`][Token::CodeFencedFenceMeta],
+    ///     [`CodeFencedFenceSequence`][Token::CodeFencedFenceSequence],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    /// > | ```js
+    ///     ^^^^^
+    ///   | console.log(1)
+    /// > | ```
+    ///     ^^^
+    /// ````
+    CodeFencedFence,
+    /// A code (fenced) fence info word.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeFencedFence`][Token::CodeFencedFence]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    /// > | ```js
+    ///        ^^
+    ///   | console.log(1)
+    ///   | ```
+    /// ````
+    CodeFencedFenceInfo,
+    /// A code (fenced) fence meta string.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeFencedFence`][Token::CodeFencedFence]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    /// > | ```js highlight="1"
+    ///           ^^^^^^^^^^^^^
+    ///   | console.log(1)
+    ///   | ```
+    /// ````
+    CodeFencedFenceMeta,
+    /// A code (fenced) fence sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeFencedFenceSequence`][Token::CodeFencedFenceSequence]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    /// > | ```js
+    ///     ^^^
+    ///   | console.log(1)
+    /// > | ```
+    ///     ^^^
+    /// ````
+    CodeFencedFenceSequence,
+    /// A code (fenced, indented) chunk.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeFenced`][Token::CodeFenced],
+    ///     [`CodeIndented`][Token::CodeIndented]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced],
+    ///     [`code_indented`][crate::construct::code_indented]
+    ///
+    /// ## Example
+    ///
+    /// ````markdown
+    ///   | ```js
+    /// > | console.log(1)
+    ///     ^^^^^^^^^^^^^^
+    ///   | ```
+    /// ````
+    ///
+    /// ```markdown
+    /// > | ␠␠␠␠console.log(1)
+    ///         ^^^^^^^^^^^^^^
+    /// ```
+    CodeFlowChunk,
+    /// Whole code (indented).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`CodeFlowChunk`][Token::CodeFlowChunk],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`code_fenced`][crate::construct::code_fenced]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// ␠␠␠␠console.log(1)
+    /// ^^^^^^^^^^^^^^^^^^
+    /// ```
+    CodeIndented,
+    /// Whole code (text).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`CodeTextData`][Token::CodeTextData],
+    ///     [`CodeTextSequence`][Token::CodeTextSequence],
+    ///     [`CodeTextLineEnding`][Token::CodeTextLineEnding]
+    /// *   **Construct**:
+    ///     [`code_text`][crate::construct::code_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a `b` c
+    ///       ^^^
+    /// ```
+    CodeText,
+    /// Code (text) data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeText`][Token::CodeText],
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`code_text`][crate::construct::code_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a `b` c
+    ///        ^
+    /// ```
+    CodeTextData,
+    /// Line ending in code (text).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeText`][Token::CodeText],
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`code_text`][crate::construct::code_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a `b␊
+    ///         ^
+    ///   | c` d
+    /// ```
+    CodeTextLineEnding,
+    /// Code (text) sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`CodeText`][Token::CodeText],
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`code_text`][crate::construct::code_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a `b` c
+    ///       ^ ^
+    /// ```
+    CodeTextSequence,
+    /// Data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [string content][crate::content::string],
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`data`][crate::construct::partial_data]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | aa *bb* cc
+    ///     ^^^ ^^ ^^^
+    /// ```
+    Data,
+    /// Whole definition.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`DefinitionMarker`][Token::DefinitionMarker],
+    ///     [`DefinitionLabel`][Token::DefinitionLabel],
+    ///     [`DefinitionDestination`][Token::DefinitionDestination],
+    ///     [`DefinitionTitle`][Token::DefinitionTitle],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`definition`][crate::construct::definition]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///     ^^^^^^^^^^
+    /// ```
+    Definition,
+    /// Whole definition destination.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Definition`][Token::Definition]
+    /// *   **Content model**:
+    ///     [`DefinitionDestinationLiteral`][Token::DefinitionDestinationLiteral],
+    ///     [`DefinitionDestinationRaw`][Token::DefinitionDestinationRaw]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///          ^
+    /// > | [a]:  "c"
+    ///          ^^^
+    /// ```
+    DefinitionDestination,
+    /// Definition destination literal.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionDestination`][Token::DefinitionDestination]
+    /// *   **Content model**:
+    ///     [`DefinitionDestinationLiteralMarker`][Token::DefinitionDestinationLiteralMarker],
+    ///     [`DefinitionDestinationString`][Token::DefinitionDestinationString]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]:  "c"
+    ///          ^^^
+    /// ```
+    DefinitionDestinationLiteral,
+    /// Definition destination literal marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionDestinationLiteral`][Token::DefinitionDestinationLiteral]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]:  "c"
+    ///          ^ ^
+    /// ```
+    DefinitionDestinationLiteralMarker,
+    /// Definition destination raw.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionDestination`][Token::DefinitionDestination]
+    /// *   **Content model**:
+    ///     [`DefinitionDestinationString`][Token::DefinitionDestinationString]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///          ^
+    /// ```
+    DefinitionDestinationRaw,
+    /// Definition destination data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionDestinationLiteral`][Token::DefinitionDestinationLiteral],
+    ///     [`DefinitionDestinationRaw`][Token::DefinitionDestinationRaw]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///          ^
+    /// > | [a]:  "c"
+    ///           ^
+    /// ```
+    DefinitionDestinationString,
+    /// Whole definition label.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Definition`][Token::Definition]
+    /// *   **Content model**:
+    ///     [`DefinitionLabelMarker`][Token::DefinitionLabelMarker],
+    ///     [`DefinitionLabelString`][Token::DefinitionLabelString],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///     ^^^
+    /// ```
+    DefinitionLabel,
+    /// Definition label marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionLabel`][Token::DefinitionLabel]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///     ^ ^
+    /// ```
+    DefinitionLabelMarker,
+    /// Definition label data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionLabel`][Token::DefinitionLabel]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///      ^
+    /// ```
+    DefinitionLabelString,
+    /// Definition marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Definition`][Token::Definition]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`definition`][crate::construct::definition]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///        ^
+    /// ```
+    DefinitionMarker,
+    /// Whole definition title.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Definition`][Token::Definition]
+    /// *   **Content model**:
+    ///     [`DefinitionTitleMarker`][Token::DefinitionTitleMarker],
+    ///     [`DefinitionTitleString`][Token::DefinitionTitleString],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///            ^^^
+    /// ```
+    DefinitionTitle,
+    /// Definition title marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionTitle`][Token::DefinitionTitle]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///            ^ ^
+    /// ```
+    DefinitionTitleMarker,
+    /// Definition title data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`DefinitionTitle`][Token::DefinitionTitle]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | [a]: b "c"
+    ///             ^
+    /// ```
+    DefinitionTitleString,
+    /// Emphasis.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`EmphasisSequence`][Token::EmphasisSequence],
+    ///     [`EmphasisText`][Token::EmphasisText]
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | *a*
+    ///     ^^^
+    /// ```
+    Emphasis,
+    /// Emphasis sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Emphasis`][Token::Emphasis]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | *a*
+    ///     ^ ^
+    /// ```
+    EmphasisSequence,
+    /// Emphasis text.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Emphasis`][Token::Emphasis]
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | *a*
+    ///      ^
+    /// ```
+    EmphasisText,
+    /// Whole hard break (escape).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`HardBreakEscapeMarker`][Token::HardBreakEscapeMarker]
+    /// *   **Construct**:
+    ///     [`hard_break_escape`][crate::construct::hard_break_escape]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a\␊
+    ///      ^^
+    /// > | b
+    /// ```
+    HardBreakEscape,
+    /// Hard break (escape) marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`hard_break_escape`][crate::construct::hard_break_escape]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a\␊
+    ///      ^
+    /// > | b
+    /// ```
+    HardBreakEscapeMarker,
+    /// Whole hard break (trailing).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`HardBreakTrailingSpace`][Token::HardBreakTrailingSpace]
+    /// *   **Construct**:
+    ///     [`hard_break_trailing`][crate::construct::hard_break_trailing]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a␠␠␊
+    ///      ^^^
+    /// > | b
+    /// ```
+    HardBreakTrailing,
+    /// Hard break (trailing) spaces.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HardBreakTrailing`][Token::HardBreakTrailing]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`hard_break_trailing`][crate::construct::hard_break_trailing]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a␠␠␊
+    ///      ^^
+    /// > | b
+    /// ```
+    HardBreakTrailingSpace,
+    /// Whole heading (atx).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`HeadingAtxSequence`][Token::HeadingAtxSequence],
+    ///     [`HeadingAtxText`][Token::HeadingAtxText],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`heading_atx`][crate::construct::heading_atx]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | # alpha
+    ///     ^^^^^^^
+    /// ```
+    HeadingAtx,
+    /// Heading (atx) sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HeadingAtx`][Token::HeadingAtx]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`heading_atx`][crate::construct::heading_atx]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | # alpha
+    ///     ^
+    /// ```
+    HeadingAtxSequence,
+    /// Heading (atx) data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HeadingAtx`][Token::HeadingAtx],
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`heading_atx`][crate::construct::heading_atx]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | # alpha
+    ///       ^^^^^
+    /// ```
+    HeadingAtxText,
+    /// Whole heading (setext).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`HeadingSetextText`][Token::HeadingSetextText],
+    ///     [`HeadingSetextUnderline`][Token::HeadingSetextUnderline],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`heading_setext`][crate::construct::heading_setext]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | alpha
+    ///     ^^^^^
+    /// > | =====
+    ///     ^^^^^
+    /// ```
+    HeadingSetext,
+    /// Heading (setext) data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HeadingSetext`][Token::HeadingSetext]
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`heading_setext`][crate::construct::heading_setext]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | alpha
+    ///     ^^^^^
+    ///   | =====
+    /// ```
+    HeadingSetextText,
+    /// Heading (setext) underline.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HeadingSetext`][Token::HeadingSetext]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`heading_setext`][crate::construct::heading_setext]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    ///   | alpha
+    /// > | =====
+    ///     ^^^^^
+    /// ```
+    HeadingSetextUnderline,
+    /// Whole html (flow).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`HtmlFlowData`][Token::HtmlFlowData],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`html_flow`][crate::construct::html_flow]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | 

+    ///     ^^^^^
+    /// ```
+    HtmlFlow,
+    /// HTML (flow) data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HtmlFlow`][Token::HtmlFlow],
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`html_flow`][crate::construct::html_flow]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | 

+    ///     ^^^^^
+    /// ```
+    HtmlFlowData,
+    /// Whole html (text).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`HtmlTextData`][Token::HtmlTextData],
+    ///     [`LineEnding`][Token::LineEnding],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`html_text`][crate::construct::html_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a  c
+    ///       ^^^
+    /// ```
+    HtmlText,
+    /// HTML (text) data.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`HtmlText`][Token::HtmlText]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`html_text`][crate::construct::html_text]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a  c
+    ///       ^^^
+    /// ```
+    HtmlTextData,
+    /// Image.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`Label`][Token::Label],
+    ///     [`Resource`][Token::Resource],
+    ///     [`Reference`][Token::Reference]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b] c
+    ///       ^^^^
+    /// > | a ![b][c] d
+    ///       ^^^^^^^
+    /// > | a ![b](c) d
+    ///       ^^^^^^^
+    /// ```
+    Image,
+    /// Label.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Image`][Token::Image],
+    ///     [`Link`][Token::Link]
+    /// *   **Content model**:
+    ///     [`LabelImage`][Token::LabelImage],
+    ///     [`LabelLink`][Token::LabelLink],
+    ///     [`LabelEnd`][Token::LabelEnd],
+    ///     [`LabelText`][Token::LabelText]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a [b] c
+    ///       ^^^
+    /// > | a ![b][c] d
+    ///       ^^^^
+    /// > | a [b](c) d
+    ///       ^^^
+    /// ```
+    Label,
+    /// Label end.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Label`][Token::Label]
+    /// *   **Content model**:
+    ///     [`LabelMarker`][Token::LabelMarker]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c) d
+    ///          ^
+    /// > | a [b](c) d
+    ///         ^
+    /// ```
+    LabelEnd,
+    /// Label start (image).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Label`][Token::Label]
+    /// *   **Content model**:
+    ///     [`LabelImageMarker`][Token::LabelImageMarker],
+    ///     [`LabelMarker`][Token::LabelMarker]
+    /// *   **Construct**:
+    ///     [`label_start_image`][crate::construct::label_start_image]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c) d
+    ///       ^^
+    /// ```
+    LabelImage,
+    /// Label start (image) marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`LabelImage`][Token::LabelImage]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`label_start_image`][crate::construct::label_start_image]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c) d
+    ///       ^
+    /// ```
+    LabelImageMarker,
+    /// Label start (link).
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Label`][Token::Label]
+    /// *   **Content model**:
+    ///     [`LabelMarker`][Token::LabelMarker]
+    /// *   **Construct**:
+    ///     [`label_start_link`][crate::construct::label_start_link]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a [b](c) d
+    ///       ^
+    /// ```
+    LabelLink,
+    /// Label marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`LabelImage`][Token::LabelImage],
+    ///     [`LabelLink`][Token::LabelLink],
+    ///     [`LabelEnd`][Token::LabelEnd]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`label_start_image`][crate::construct::label_start_image],
+    ///     [`label_start_link`][crate::construct::label_start_link],
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c) d
+    ///        ^ ^
+    /// > | a [b](c) d
+    ///       ^ ^
+    /// ```
+    LabelMarker,
+    /// Label text.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Label`][Token::Label]
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a [b] c
+    ///        ^
+    /// > | a ![b][c] d
+    ///         ^
+    /// > | a [b](c) d
+    ///        ^
+    /// ```
+    LabelText,
+    /// Line ending.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     basically everywhere
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     n/a
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a␊
+    ///      ^
+    ///   | b
+    /// ```
+    LineEnding,
+    /// Link.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`Label`][Token::Label],
+    ///     [`Resource`][Token::Resource],
+    ///     [`Reference`][Token::Reference]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a [b] c
+    ///       ^^^
+    /// > | a [b][c] d
+    ///       ^^^^^^
+    /// > | a [b](c) d
+    ///       ^^^^^^
+    /// ```
+    Link,
+    /// Whole paragraph.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`paragraph`][crate::construct::paragraph]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a b
+    ///     ^^^
+    /// > | c.
+    ///     ^^
+    /// ```
+    Paragraph,
+    /// Reference.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Image`][Token::Image],
+    ///     [`Link`][Token::Link]
+    /// *   **Content model**:
+    ///     [`ReferenceMarker`][Token::ReferenceMarker],
+    ///     [`ReferenceString`][Token::ReferenceString]
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b][c] d
+    ///           ^^^
+    /// ```
+    Reference,
+    /// Reference marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Reference`][Token::Reference]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b][c] d
+    ///           ^ ^
+    /// ```
+    ReferenceMarker,
+    /// Reference string.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Reference`][Token::Reference]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`label`][crate::construct::partial_label]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b][c] d
+    ///            ^
+    /// ```
+    ReferenceString,
+    /// Resource.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Image`][Token::Image],
+    ///     [`Link`][Token::Link]
+    /// *   **Content model**:
+    ///     [`ResourceMarker`][Token::ResourceMarker],
+    ///     [`ResourceDestination`][Token::ResourceDestination],
+    ///     [`ResourceTitle`][Token::ResourceTitle],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab],
+    ///     [`LineEnding`][Token::LineEnding]
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c "d") e
+    ///           ^^^^^^^
+    /// > | a [b](c) d
+    ///          ^^^
+    /// ```
+    Resource,
+    /// Resource destination.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Resource`][Token::Resource]
+    /// *   **Content model**:
+    ///     [`ResourceDestinationLiteral`][Token::ResourceDestinationLiteral],
+    ///     [`ResourceDestinationRaw`][Token::ResourceDestinationRaw]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c "d") e
+    ///            ^
+    /// ```
+    ResourceDestination,
+    /// Resource destination literal.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceDestination`][Token::ResourceDestination]
+    /// *   **Content model**:
+    ///     [`ResourceDestinationLiteralMarker`][Token::ResourceDestinationLiteralMarker],
+    ///     [`ResourceDestinationString`][Token::ResourceDestinationString]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///            ^^^
+    /// ```
+    ResourceDestinationLiteral,
+    /// Resource destination literal marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceDestinationLiteral`][Token::ResourceDestinationLiteral]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///            ^ ^
+    /// ```
+    ResourceDestinationLiteralMarker,
+    /// Resource destination raw.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceDestination`][Token::ResourceDestination]
+    /// *   **Content model**:
+    ///     [`ResourceDestinationString`][Token::ResourceDestinationString]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c "d") e
+    ///            ^
+    /// ```
+    ResourceDestinationRaw,
+    /// Resource destination raw.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceDestinationLiteral`][Token::ResourceDestinationLiteral],
+    ///     [`ResourceDestinationRaw`][Token::ResourceDestinationRaw]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`destination`][crate::construct::partial_destination]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///             ^
+    /// > | a ![b](c "d") e
+    ///            ^
+    /// ```
+    ResourceDestinationString,
+    /// Resource marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Resource`][Token::Resource]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`label_end`][crate::construct::label_end]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b](c "d") e
+    ///           ^     ^
+    /// ```
+    ResourceMarker,
+    /// Resource title.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Resource`][Token::Resource]
+    /// *   **Content model**:
+    ///     [`ResourceTitleMarker`][Token::ResourceTitleMarker],
+    ///     [`ResourceTitleString`][Token::ResourceTitleString]
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///                ^^^
+    /// ```
+    ResourceTitle,
+    /// Resource title marker.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceTitle`][Token::ResourceTitle]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///                ^ ^
+    /// ```
+    ResourceTitleMarker,
+    /// Resource title string.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ResourceTitle`][Token::ResourceTitle]
+    /// *   **Content model**:
+    ///     [string content][crate::content::string]
+    /// *   **Construct**:
+    ///     [`title`][crate::construct::partial_title]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | a ![b]( "d") e
+    ///                 ^
+    /// ```
+    ResourceTitleString,
+    /// SpaceOrTab.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     basically everywhere
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     n/a
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | ␠* * *␠
+    ///     ^ ^ ^ ^
+    /// ```
+    SpaceOrTab,
+    /// Strong.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [text content][crate::content::text]
+    /// *   **Content model**:
+    ///     [`StrongSequence`][Token::StrongSequence],
+    ///     [`StrongText`][Token::StrongText]
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | **a**
+    ///     ^^^^^
+    /// ```
+    Strong,
+    /// Strong sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Strong`][Token::Strong]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | **a**
+    ///     ^^ ^^
+    /// ```
+    StrongSequence,
+    /// Strong text.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`Strong`][Token::Strong]
+    /// *   **Content model**:
+    ///     [text content][crate::content::text]
+    /// *   **Construct**:
+    ///     [`attention`][crate::construct::attention]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | **a**
+    ///       ^
+    /// ```
+    StrongText,
+    /// Whole thematic break.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [flow content][crate::content::flow]
+    /// *   **Content model**:
+    ///     [`ThematicBreakSequence`][Token::ThematicBreakSequence],
+    ///     [`SpaceOrTab`][Token::SpaceOrTab]
+    /// *   **Construct**:
+    ///     [`thematic_break`][crate::construct::thematic_break]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | * * *
+    ///     ^^^^^
+    /// ```
+    ThematicBreak,
+    /// Thematic break sequence.
+    ///
+    /// ## Info
+    ///
+    /// *   **Context**:
+    ///     [`ThematicBreak`][Token::ThematicBreak]
+    /// *   **Content model**:
+    ///     void
+    /// *   **Construct**:
+    ///     [`thematic_break`][crate::construct::thematic_break]
+    ///
+    /// ## Example
+    ///
+    /// ```markdown
+    /// > | * * *
+    ///     ^ ^ ^
+    /// ```
+    ThematicBreakSequence,
+}
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 6198776..64b66cc 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -12,1777 +12,9 @@
 //! [`check`]: Tokenizer::check
 
 use crate::parser::ParseState;
+use crate::token::Token;
 use std::collections::HashMap;
 
-/// Semantic label of a span.
-#[derive(Debug, Clone, PartialEq, Hash, Eq)]
-pub enum TokenType {
-    /// Attention sequence.
-    ///
-    /// > 👉 **Note**: this is used while parsing but compiled away.
-    AttentionSequence,
-    /// Whole autolink.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`AutolinkEmail`][TokenType::AutolinkEmail],
-    ///     [`AutolinkMarker`][TokenType::AutolinkMarker],
-    ///     [`AutolinkProtocol`][TokenType::AutolinkProtocol]
-    /// *   **Construct**:
-    ///     [`autolink`][crate::construct::autolink]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > |  and 
-    ///     ^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^
-    /// ```
-    Autolink,
-    /// Email autolink w/o markers.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Autolink`][TokenType::Autolink]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`autolink`][crate::construct::autolink]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | 
-    ///      ^^^^^^^^^^^^^^^^^
-    /// ```
-    AutolinkEmail,
-    /// Marker of an autolink.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Autolink`][TokenType::Autolink]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`autolink`][crate::construct::autolink]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | 
-    ///     ^                   ^
-    /// ```
-    AutolinkMarker,
-    /// Protocol autolink w/o markers.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Autolink`][TokenType::Autolink]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`autolink`][crate::construct::autolink]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | 
-    ///      ^^^^^^^^^^^^^^^^^^^
-    /// ```
-    AutolinkProtocol,
-    /// Line ending preceded only by whitespace or nothing at all.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`blank_line`][crate::construct::blank_line]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | ␠␠␊
-    ///       ^
-    /// ```
-    BlankLineEnding,
-    /// Whole block quote.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [document content][crate::content::document]
-    /// *   **Content model**:
-    ///     [`BlockQuotePrefix`][TokenType::BlockQuotePrefix],
-    ///     [flow content][crate::content::flow]
-    /// *   **Construct**:
-    ///     [`block_quote`][crate::construct::block_quote]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | > a
-    ///     ^^^
-    /// > | b
-    ///     ^
-    /// ```
-    BlockQuote,
-    /// Block quote marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`BlockQuotePrefix`][TokenType::BlockQuotePrefix]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`block_quote`][crate::construct::block_quote]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | > a
-    ///     ^
-    ///   | b
-    /// ```
-    BlockQuoteMarker,
-    /// Block quote prefix.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`BlockQuote`][TokenType::BlockQuote]
-    /// *   **Content model**:
-    ///     [`BlockQuoteMarker`][TokenType::BlockQuoteMarker],
-    ///     [`BlockQuoteWhitespace`][TokenType::BlockQuoteWhitespace]
-    /// *   **Construct**:
-    ///     [`block_quote`][crate::construct::block_quote]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | > a
-    ///     ^^
-    ///   | b
-    /// ```
-    BlockQuotePrefix,
-    /// Block quote white space.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`BlockQuotePrefix`][TokenType::BlockQuotePrefix]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`block_quote`][crate::construct::block_quote]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | > a
-    ///      ^
-    ///   | b
-    /// ```
-    BlockQuoteWhitespace,
-    /// Whole character escape.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [string content][crate::content::string] or
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`CharacterEscapeMarker`][TokenType::CharacterEscapeMarker],
-    ///     [`CharacterEscapeValue`][TokenType::CharacterEscapeValue]
-    /// *   **Construct**:
-    ///     [`character_escape`][crate::construct::character_escape]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a \- b
-    ///       ^^
-    /// ```
-    CharacterEscape,
-    /// Character escape marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterEscape`][TokenType::CharacterEscape]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_escape`][crate::construct::character_escape]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a \- b
-    ///       ^
-    /// ```
-    CharacterEscapeMarker,
-    /// Character escape value.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterEscape`][TokenType::CharacterEscape]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_escape`][crate::construct::character_escape]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a \- b
-    ///        ^
-    /// ```
-    CharacterEscapeValue,
-    /// Whole character reference.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [string content][crate::content::string] or
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`CharacterReferenceMarker`][TokenType::CharacterReferenceMarker],
-    ///     [`CharacterReferenceMarkerHexadecimal`][TokenType::CharacterReferenceMarkerHexadecimal],
-    ///     [`CharacterReferenceMarkerNumeric`][TokenType::CharacterReferenceMarkerNumeric],
-    ///     [`CharacterReferenceMarkerSemi`][TokenType::CharacterReferenceMarkerSemi],
-    ///     [`CharacterReferenceValue`][TokenType::CharacterReferenceValue]
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///       ^^^^^   ^^^^^^^   ^^^^^^^^^
-    /// ```
-    CharacterReference,
-    /// Character reference opening marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterReference`][TokenType::CharacterReference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///       ^       ^         ^
-    /// ```
-    CharacterReferenceMarker,
-    /// Character reference hexadecimal numeric marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterReference`][TokenType::CharacterReference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///                           ^
-    /// ```
-    CharacterReferenceMarkerHexadecimal,
-    /// Character reference numeric marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterReference`][TokenType::CharacterReference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///                ^         ^
-    /// ```
-    CharacterReferenceMarkerNumeric,
-    /// Character reference closing marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterReference`][TokenType::CharacterReference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///           ^         ^           ^
-    /// ```
-    CharacterReferenceMarkerSemi,
-    /// Character reference value.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CharacterReference`][TokenType::CharacterReference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`character_reference`][crate::construct::character_reference]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a & b ≠ c 𝌆 d
-    ///        ^^^      ^^^^       ^^^^^
-    /// ```
-    CharacterReferenceValue,
-    /// Whole code (fenced).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`CodeFencedFence`][TokenType::CodeFencedFence],
-    ///     [`CodeFlowChunk`][TokenType::CodeFlowChunk],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    /// > | ```js
-    ///     ^^^^^
-    /// > | console.log(1)
-    ///     ^^^^^^^^^^^^^^
-    /// > | ```
-    ///     ^^^
-    /// ````
-    CodeFenced,
-    /// A code (fenced) fence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeFenced`][TokenType::CodeFenced]
-    /// *   **Content model**:
-    ///     [`CodeFencedFenceInfo`][TokenType::CodeFencedFenceInfo],
-    ///     [`CodeFencedFenceMeta`][TokenType::CodeFencedFenceMeta],
-    ///     [`CodeFencedFenceSequence`][TokenType::CodeFencedFenceSequence],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    /// > | ```js
-    ///     ^^^^^
-    ///   | console.log(1)
-    /// > | ```
-    ///     ^^^
-    /// ````
-    CodeFencedFence,
-    /// A code (fenced) fence info word.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeFencedFence`][TokenType::CodeFencedFence]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    /// > | ```js
-    ///        ^^
-    ///   | console.log(1)
-    ///   | ```
-    /// ````
-    CodeFencedFenceInfo,
-    /// A code (fenced) fence meta string.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeFencedFence`][TokenType::CodeFencedFence]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    /// > | ```js highlight="1"
-    ///           ^^^^^^^^^^^^^
-    ///   | console.log(1)
-    ///   | ```
-    /// ````
-    CodeFencedFenceMeta,
-    /// A code (fenced) fence sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeFencedFenceSequence`][TokenType::CodeFencedFenceSequence]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    /// > | ```js
-    ///     ^^^
-    ///   | console.log(1)
-    /// > | ```
-    ///     ^^^
-    /// ````
-    CodeFencedFenceSequence,
-    /// A code (fenced, indented) chunk.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeFenced`][TokenType::CodeFenced],
-    ///     [`CodeIndented`][TokenType::CodeIndented]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced],
-    ///     [`code_indented`][crate::construct::code_indented]
-    ///
-    /// ## Example
-    ///
-    /// ````markdown
-    ///   | ```js
-    /// > | console.log(1)
-    ///     ^^^^^^^^^^^^^^
-    ///   | ```
-    /// ````
-    ///
-    /// ```markdown
-    /// > | ␠␠␠␠console.log(1)
-    ///         ^^^^^^^^^^^^^^
-    /// ```
-    CodeFlowChunk,
-    /// Whole code (indented).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`CodeFlowChunk`][TokenType::CodeFlowChunk],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`code_fenced`][crate::construct::code_fenced]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// ␠␠␠␠console.log(1)
-    /// ^^^^^^^^^^^^^^^^^^
-    /// ```
-    CodeIndented,
-    /// Whole code (text).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`CodeTextData`][TokenType::CodeTextData],
-    ///     [`CodeTextSequence`][TokenType::CodeTextSequence],
-    ///     [`CodeTextLineEnding`][TokenType::CodeTextLineEnding]
-    /// *   **Construct**:
-    ///     [`code_text`][crate::construct::code_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a `b` c
-    ///       ^^^
-    /// ```
-    CodeText,
-    /// Code (text) data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeText`][TokenType::CodeText],
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`code_text`][crate::construct::code_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a `b` c
-    ///        ^
-    /// ```
-    CodeTextData,
-    /// Line ending in code (text).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeText`][TokenType::CodeText],
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`code_text`][crate::construct::code_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a `b␊
-    ///         ^
-    ///   | c` d
-    /// ```
-    CodeTextLineEnding,
-    /// Code (text) sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`CodeText`][TokenType::CodeText],
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`code_text`][crate::construct::code_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a `b` c
-    ///       ^ ^
-    /// ```
-    CodeTextSequence,
-    /// Data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [string content][crate::content::string],
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`data`][crate::construct::partial_data]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | aa *bb* cc
-    ///     ^^^ ^^ ^^^
-    /// ```
-    Data,
-    /// Whole definition.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`DefinitionMarker`][TokenType::DefinitionMarker],
-    ///     [`DefinitionLabel`][TokenType::DefinitionLabel],
-    ///     [`DefinitionDestination`][TokenType::DefinitionDestination],
-    ///     [`DefinitionTitle`][TokenType::DefinitionTitle],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`definition`][crate::construct::definition]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///     ^^^^^^^^^^
-    /// ```
-    Definition,
-    /// Whole definition destination.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Definition`][TokenType::Definition]
-    /// *   **Content model**:
-    ///     [`DefinitionDestinationLiteral`][TokenType::DefinitionDestinationLiteral],
-    ///     [`DefinitionDestinationRaw`][TokenType::DefinitionDestinationRaw]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///          ^
-    /// > | [a]:  "c"
-    ///          ^^^
-    /// ```
-    DefinitionDestination,
-    /// Definition destination literal.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionDestination`][TokenType::DefinitionDestination]
-    /// *   **Content model**:
-    ///     [`DefinitionDestinationLiteralMarker`][TokenType::DefinitionDestinationLiteralMarker],
-    ///     [`DefinitionDestinationString`][TokenType::DefinitionDestinationString]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]:  "c"
-    ///          ^^^
-    /// ```
-    DefinitionDestinationLiteral,
-    /// Definition destination literal marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionDestinationLiteral`][TokenType::DefinitionDestinationLiteral]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]:  "c"
-    ///          ^ ^
-    /// ```
-    DefinitionDestinationLiteralMarker,
-    /// Definition destination raw.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionDestination`][TokenType::DefinitionDestination]
-    /// *   **Content model**:
-    ///     [`DefinitionDestinationString`][TokenType::DefinitionDestinationString]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///          ^
-    /// ```
-    DefinitionDestinationRaw,
-    /// Definition destination data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionDestinationLiteral`][TokenType::DefinitionDestinationLiteral],
-    ///     [`DefinitionDestinationRaw`][TokenType::DefinitionDestinationRaw]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///          ^
-    /// > | [a]:  "c"
-    ///           ^
-    /// ```
-    DefinitionDestinationString,
-    /// Whole definition label.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Definition`][TokenType::Definition]
-    /// *   **Content model**:
-    ///     [`DefinitionLabelMarker`][TokenType::DefinitionLabelMarker],
-    ///     [`DefinitionLabelString`][TokenType::DefinitionLabelString],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///     ^^^
-    /// ```
-    DefinitionLabel,
-    /// Definition label marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionLabel`][TokenType::DefinitionLabel]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///     ^ ^
-    /// ```
-    DefinitionLabelMarker,
-    /// Definition label data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionLabel`][TokenType::DefinitionLabel]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///      ^
-    /// ```
-    DefinitionLabelString,
-    /// Definition marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Definition`][TokenType::Definition]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`definition`][crate::construct::definition]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///        ^
-    /// ```
-    DefinitionMarker,
-    /// Whole definition title.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Definition`][TokenType::Definition]
-    /// *   **Content model**:
-    ///     [`DefinitionTitleMarker`][TokenType::DefinitionTitleMarker],
-    ///     [`DefinitionTitleString`][TokenType::DefinitionTitleString],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///            ^^^
-    /// ```
-    DefinitionTitle,
-    /// Definition title marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionTitle`][TokenType::DefinitionTitle]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///            ^ ^
-    /// ```
-    DefinitionTitleMarker,
-    /// Definition title data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`DefinitionTitle`][TokenType::DefinitionTitle]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | [a]: b "c"
-    ///             ^
-    /// ```
-    DefinitionTitleString,
-    /// Emphasis.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`EmphasisSequence`][TokenType::EmphasisSequence],
-    ///     [`EmphasisText`][TokenType::EmphasisText]
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | *a*
-    ///     ^^^
-    /// ```
-    Emphasis,
-    /// Emphasis sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Emphasis`][TokenType::Emphasis]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | *a*
-    ///     ^ ^
-    /// ```
-    EmphasisSequence,
-    /// Emphasis text.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Emphasis`][TokenType::Emphasis]
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | *a*
-    ///      ^
-    /// ```
-    EmphasisText,
-    /// Whole hard break (escape).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`HardBreakEscapeMarker`][TokenType::HardBreakEscapeMarker]
-    /// *   **Construct**:
-    ///     [`hard_break_escape`][crate::construct::hard_break_escape]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a\␊
-    ///      ^^
-    /// > | b
-    /// ```
-    HardBreakEscape,
-    /// Hard break (escape) marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`hard_break_escape`][crate::construct::hard_break_escape]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a\␊
-    ///      ^
-    /// > | b
-    /// ```
-    HardBreakEscapeMarker,
-    /// Whole hard break (trailing).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`HardBreakTrailingSpace`][TokenType::HardBreakTrailingSpace]
-    /// *   **Construct**:
-    ///     [`hard_break_trailing`][crate::construct::hard_break_trailing]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a␠␠␊
-    ///      ^^^
-    /// > | b
-    /// ```
-    HardBreakTrailing,
-    /// Hard break (trailing) spaces.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HardBreakTrailing`][TokenType::HardBreakTrailing]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`hard_break_trailing`][crate::construct::hard_break_trailing]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a␠␠␊
-    ///      ^^
-    /// > | b
-    /// ```
-    HardBreakTrailingSpace,
-    /// Whole heading (atx).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`HeadingAtxSequence`][TokenType::HeadingAtxSequence],
-    ///     [`HeadingAtxText`][TokenType::HeadingAtxText],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`heading_atx`][crate::construct::heading_atx]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | # alpha
-    ///     ^^^^^^^
-    /// ```
-    HeadingAtx,
-    /// Heading (atx) sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HeadingAtx`][TokenType::HeadingAtx]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`heading_atx`][crate::construct::heading_atx]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | # alpha
-    ///     ^
-    /// ```
-    HeadingAtxSequence,
-    /// Heading (atx) data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HeadingAtx`][TokenType::HeadingAtx],
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`heading_atx`][crate::construct::heading_atx]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | # alpha
-    ///       ^^^^^
-    /// ```
-    HeadingAtxText,
-    /// Whole heading (setext).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`HeadingSetextText`][TokenType::HeadingSetextText],
-    ///     [`HeadingSetextUnderline`][TokenType::HeadingSetextUnderline],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`heading_setext`][crate::construct::heading_setext]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | alpha
-    ///     ^^^^^
-    /// > | =====
-    ///     ^^^^^
-    /// ```
-    HeadingSetext,
-    /// Heading (setext) data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HeadingSetext`][TokenType::HeadingSetext]
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`heading_setext`][crate::construct::heading_setext]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | alpha
-    ///     ^^^^^
-    ///   | =====
-    /// ```
-    HeadingSetextText,
-    /// Heading (setext) underline.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HeadingSetext`][TokenType::HeadingSetext]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`heading_setext`][crate::construct::heading_setext]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    ///   | alpha
-    /// > | =====
-    ///     ^^^^^
-    /// ```
-    HeadingSetextUnderline,
-    /// Whole html (flow).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`HtmlFlowData`][TokenType::HtmlFlowData],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`html_flow`][crate::construct::html_flow]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | 

-    ///     ^^^^^
-    /// ```
-    HtmlFlow,
-    /// HTML (flow) data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HtmlFlow`][TokenType::HtmlFlow],
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`html_flow`][crate::construct::html_flow]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | 

-    ///     ^^^^^
-    /// ```
-    HtmlFlowData,
-    /// Whole html (text).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`HtmlTextData`][TokenType::HtmlTextData],
-    ///     [`LineEnding`][TokenType::LineEnding],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`html_text`][crate::construct::html_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a  c
-    ///       ^^^
-    /// ```
-    HtmlText,
-    /// HTML (text) data.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`HtmlText`][TokenType::HtmlText]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`html_text`][crate::construct::html_text]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a  c
-    ///       ^^^
-    /// ```
-    HtmlTextData,
-    /// Image.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`Label`][TokenType::Label],
-    ///     [`Resource`][TokenType::Resource],
-    ///     [`Reference`][TokenType::Reference]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b] c
-    ///       ^^^^
-    /// > | a ![b][c] d
-    ///       ^^^^^^^
-    /// > | a ![b](c) d
-    ///       ^^^^^^^
-    /// ```
-    Image,
-    /// Label.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Image`][TokenType::Image],
-    ///     [`Link`][TokenType::Link]
-    /// *   **Content model**:
-    ///     [`LabelImage`][TokenType::LabelImage],
-    ///     [`LabelLink`][TokenType::LabelLink],
-    ///     [`LabelEnd`][TokenType::LabelEnd],
-    ///     [`LabelText`][TokenType::LabelText]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a [b] c
-    ///       ^^^
-    /// > | a ![b][c] d
-    ///       ^^^^
-    /// > | a [b](c) d
-    ///       ^^^
-    /// ```
-    Label,
-    /// Label end.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Label`][TokenType::Label]
-    /// *   **Content model**:
-    ///     [`LabelMarker`][TokenType::LabelMarker]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c) d
-    ///          ^
-    /// > | a [b](c) d
-    ///         ^
-    /// ```
-    LabelEnd,
-    /// Label start (image).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Label`][TokenType::Label]
-    /// *   **Content model**:
-    ///     [`LabelImageMarker`][TokenType::LabelImageMarker],
-    ///     [`LabelMarker`][TokenType::LabelMarker]
-    /// *   **Construct**:
-    ///     [`label_start_image`][crate::construct::label_start_image]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c) d
-    ///       ^^
-    /// ```
-    LabelImage,
-    /// Label start (image) marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`LabelImage`][TokenType::LabelImage]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`label_start_image`][crate::construct::label_start_image]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c) d
-    ///       ^
-    /// ```
-    LabelImageMarker,
-    /// Label start (link).
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Label`][TokenType::Label]
-    /// *   **Content model**:
-    ///     [`LabelMarker`][TokenType::LabelMarker]
-    /// *   **Construct**:
-    ///     [`label_start_link`][crate::construct::label_start_link]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a [b](c) d
-    ///       ^
-    /// ```
-    LabelLink,
-    /// Label marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`LabelImage`][TokenType::LabelImage],
-    ///     [`LabelLink`][TokenType::LabelLink],
-    ///     [`LabelEnd`][TokenType::LabelEnd]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`label_start_image`][crate::construct::label_start_image],
-    ///     [`label_start_link`][crate::construct::label_start_link],
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c) d
-    ///        ^ ^
-    /// > | a [b](c) d
-    ///       ^ ^
-    /// ```
-    LabelMarker,
-    /// Label text.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Label`][TokenType::Label]
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a [b] c
-    ///        ^
-    /// > | a ![b][c] d
-    ///         ^
-    /// > | a [b](c) d
-    ///        ^
-    /// ```
-    LabelText,
-    /// Line ending.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     basically everywhere
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     n/a
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a␊
-    ///      ^
-    ///   | b
-    /// ```
-    LineEnding,
-    /// Link.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`Label`][TokenType::Label],
-    ///     [`Resource`][TokenType::Resource],
-    ///     [`Reference`][TokenType::Reference]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a [b] c
-    ///       ^^^
-    /// > | a [b][c] d
-    ///       ^^^^^^
-    /// > | a [b](c) d
-    ///       ^^^^^^
-    /// ```
-    Link,
-    /// Whole paragraph.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`paragraph`][crate::construct::paragraph]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a b
-    ///     ^^^
-    /// > | c.
-    ///     ^^
-    /// ```
-    Paragraph,
-    /// Reference.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Image`][TokenType::Image],
-    ///     [`Link`][TokenType::Link]
-    /// *   **Content model**:
-    ///     [`ReferenceMarker`][TokenType::ReferenceMarker],
-    ///     [`ReferenceString`][TokenType::ReferenceString]
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b][c] d
-    ///           ^^^
-    /// ```
-    Reference,
-    /// Reference marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Reference`][TokenType::Reference]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b][c] d
-    ///           ^ ^
-    /// ```
-    ReferenceMarker,
-    /// Reference string.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Reference`][TokenType::Reference]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`label`][crate::construct::partial_label]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b][c] d
-    ///            ^
-    /// ```
-    ReferenceString,
-    /// Resource.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Image`][TokenType::Image],
-    ///     [`Link`][TokenType::Link]
-    /// *   **Content model**:
-    ///     [`ResourceMarker`][TokenType::ResourceMarker],
-    ///     [`ResourceDestination`][TokenType::ResourceDestination],
-    ///     [`ResourceTitle`][TokenType::ResourceTitle],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab],
-    ///     [`LineEnding`][TokenType::LineEnding]
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c "d") e
-    ///           ^^^^^^^
-    /// > | a [b](c) d
-    ///          ^^^
-    /// ```
-    Resource,
-    /// Resource destination.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Resource`][TokenType::Resource]
-    /// *   **Content model**:
-    ///     [`ResourceDestinationLiteral`][TokenType::ResourceDestinationLiteral],
-    ///     [`ResourceDestinationRaw`][TokenType::ResourceDestinationRaw]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c "d") e
-    ///            ^
-    /// ```
-    ResourceDestination,
-    /// Resource destination literal.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceDestination`][TokenType::ResourceDestination]
-    /// *   **Content model**:
-    ///     [`ResourceDestinationLiteralMarker`][TokenType::ResourceDestinationLiteralMarker],
-    ///     [`ResourceDestinationString`][TokenType::ResourceDestinationString]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///            ^^^
-    /// ```
-    ResourceDestinationLiteral,
-    /// Resource destination literal marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceDestinationLiteral`][TokenType::ResourceDestinationLiteral]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///            ^ ^
-    /// ```
-    ResourceDestinationLiteralMarker,
-    /// Resource destination raw.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceDestination`][TokenType::ResourceDestination]
-    /// *   **Content model**:
-    ///     [`ResourceDestinationString`][TokenType::ResourceDestinationString]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c "d") e
-    ///            ^
-    /// ```
-    ResourceDestinationRaw,
-    /// Resource destination raw.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceDestinationLiteral`][TokenType::ResourceDestinationLiteral],
-    ///     [`ResourceDestinationRaw`][TokenType::ResourceDestinationRaw]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`destination`][crate::construct::partial_destination]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///             ^
-    /// > | a ![b](c "d") e
-    ///            ^
-    /// ```
-    ResourceDestinationString,
-    /// Resource marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Resource`][TokenType::Resource]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`label_end`][crate::construct::label_end]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b](c "d") e
-    ///           ^     ^
-    /// ```
-    ResourceMarker,
-    /// Resource title.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Resource`][TokenType::Resource]
-    /// *   **Content model**:
-    ///     [`ResourceTitleMarker`][TokenType::ResourceTitleMarker],
-    ///     [`ResourceTitleString`][TokenType::ResourceTitleString]
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///                ^^^
-    /// ```
-    ResourceTitle,
-    /// Resource title marker.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceTitle`][TokenType::ResourceTitle]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///                ^ ^
-    /// ```
-    ResourceTitleMarker,
-    /// Resource title string.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ResourceTitle`][TokenType::ResourceTitle]
-    /// *   **Content model**:
-    ///     [string content][crate::content::string]
-    /// *   **Construct**:
-    ///     [`title`][crate::construct::partial_title]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | a ![b]( "d") e
-    ///                 ^
-    /// ```
-    ResourceTitleString,
-    /// SpaceOrTab.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     basically everywhere
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     n/a
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | ␠* * *␠
-    ///     ^ ^ ^ ^
-    /// ```
-    SpaceOrTab,
-    /// Strong.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [text content][crate::content::text]
-    /// *   **Content model**:
-    ///     [`StrongSequence`][TokenType::StrongSequence],
-    ///     [`StrongText`][TokenType::StrongText]
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | **a**
-    ///     ^^^^^
-    /// ```
-    Strong,
-    /// Strong sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Strong`][TokenType::Strong]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | **a**
-    ///     ^^ ^^
-    /// ```
-    StrongSequence,
-    /// Strong text.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`Strong`][TokenType::Strong]
-    /// *   **Content model**:
-    ///     [text content][crate::content::text]
-    /// *   **Construct**:
-    ///     [`attention`][crate::construct::attention]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | **a**
-    ///       ^
-    /// ```
-    StrongText,
-    /// Whole thematic break.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [flow content][crate::content::flow]
-    /// *   **Content model**:
-    ///     [`ThematicBreakSequence`][TokenType::ThematicBreakSequence],
-    ///     [`SpaceOrTab`][TokenType::SpaceOrTab]
-    /// *   **Construct**:
-    ///     [`thematic_break`][crate::construct::thematic_break]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | * * *
-    ///     ^^^^^
-    /// ```
-    ThematicBreak,
-    /// Thematic break sequence.
-    ///
-    /// ## Info
-    ///
-    /// *   **Context**:
-    ///     [`ThematicBreak`][TokenType::ThematicBreak]
-    /// *   **Content model**:
-    ///     void
-    /// *   **Construct**:
-    ///     [`thematic_break`][crate::construct::thematic_break]
-    ///
-    /// ## Example
-    ///
-    /// ```markdown
-    /// > | * * *
-    ///     ^ ^ ^
-    /// ```
-    ThematicBreakSequence,
-}
-
 /// Embedded content type.
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum ContentType {
@@ -1840,7 +72,7 @@ pub enum EventType {
 #[derive(Debug, Clone)]
 pub struct Event {
     pub event_type: EventType,
-    pub token_type: TokenType,
+    pub token_type: Token,
     pub point: Point,
     pub index: usize,
     pub previous: Option,
@@ -1935,7 +167,7 @@ pub struct Tokenizer<'a> {
     /// Hierarchy of semantic labels.
     ///
     /// Tracked to make sure everything’s valid.
-    pub stack: Vec,
+    pub stack: Vec,
     /// Previous character code.
     pub previous: Code,
     /// Current character code.
@@ -2082,11 +314,11 @@ impl<'a> Tokenizer<'a> {
     }
 
     /// Mark the start of a semantic label.
-    pub fn enter(&mut self, token_type: TokenType) {
+    pub fn enter(&mut self, token_type: Token) {
         self.enter_with_content(token_type, None);
     }
 
-    pub fn enter_with_content(&mut self, token_type: TokenType, content_type: Option) {
+    pub fn enter_with_content(&mut self, token_type: Token, content_type: Option) {
         log::debug!("enter `{:?}` ({:?})", token_type, self.point);
         self.events.push(Event {
             event_type: EventType::Enter,
@@ -2101,7 +333,7 @@ impl<'a> Tokenizer<'a> {
     }
 
     /// Mark the end of a semantic label.
-    pub fn exit(&mut self, token_type: TokenType) {
+    pub fn exit(&mut self, token_type: Token) {
         let current_token = self.stack.pop().expect("cannot close w/o open tokens");
 
         assert_eq!(
diff --git a/src/util/skip.rs b/src/util/skip.rs
index a8e4cfe..971beb6 100644
--- a/src/util/skip.rs
+++ b/src/util/skip.rs
@@ -1,14 +1,15 @@
 //! Utilities to deal with lists of events.
 
-use crate::tokenizer::{Event, TokenType};
+use crate::token::Token;
+use crate::tokenizer::Event;
 
 /// Skip from `index`, optionally past `token_types`.
-pub fn opt(events: &[Event], index: usize, token_types: &[TokenType]) -> usize {
+pub fn opt(events: &[Event], index: usize, token_types: &[Token]) -> usize {
     skip_opt_with_direction(events, index, token_types, true)
 }
 
 /// Skip from `index`, optionally past `token_types`, backwards.
-pub fn opt_back(events: &[Event], index: usize, token_types: &[TokenType]) -> usize {
+pub fn opt_back(events: &[Event], index: usize, token_types: &[Token]) -> usize {
     skip_opt_with_direction(events, index, token_types, false)
 }
 
@@ -16,7 +17,7 @@ pub fn opt_back(events: &[Event], index: usize, token_types: &[TokenType]) -> us
 fn skip_opt_with_direction(
     events: &[Event],
     index: usize,
-    token_types: &[TokenType],
+    token_types: &[Token],
     forward: bool,
 ) -> usize {
     let mut index = index;
-- 
cgit