18 files changed, 368 insertions, 410 deletions

diff --git a/src/construct/attention.rs b/src/construct/attention.rs
index 3a29d06..ae8da81 100644
--- a/src/construct/attention.rs
+++ b/src/construct/attention.rs
@@ -118,13 +118,13 @@ struct Sequence {
 ///     ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'*' | b'_') if tokenizer.parse_state.constructs.attention => {
-            tokenizer.tokenize_state.marker = tokenizer.current.unwrap();
-            tokenizer.enter(Name::AttentionSequence);
-            State::Retry(StateName::AttentionInside)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.attention && matches!(tokenizer.current, Some(b'*' | b'_'))
+    {
+        tokenizer.tokenize_state.marker = tokenizer.current.unwrap();
+        tokenizer.enter(Name::AttentionSequence);
+        State::Retry(StateName::AttentionInside)
+    } else {
+        State::Nok
     }
 }
 
@@ -135,17 +135,14 @@ pub fn start(tokenizer: &mut Tokenizer) -> State {
 ///     ^^
 /// ```
 pub fn inside(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'*' | b'_') if tokenizer.current == Some(tokenizer.tokenize_state.marker) => {
-            tokenizer.consume();
-            State::Next(StateName::AttentionInside)
-        }
-        _ => {
-            tokenizer.exit(Name::AttentionSequence);
-            tokenizer.register_resolver(ResolveName::Attention);
-            tokenizer.tokenize_state.marker = b'\0';
-            State::Ok
-        }
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.consume();
+        State::Next(StateName::AttentionInside)
+    } else {
+        tokenizer.exit(Name::AttentionSequence);
+        tokenizer.register_resolver(ResolveName::Attention);
+        tokenizer.tokenize_state.marker = b'\0';
+        State::Ok
     }
 }
 
@@ -437,14 +434,22 @@ fn match_sequences(
 ///
 /// *   [`micromark-util-classify-character` in `micromark`](https://github.com/micromark/micromark/blob/main/packages/micromark-util-classify-character/dev/index.js)
 fn classify_character(char: Option<char>) -> CharacterKind {
-    match char {
-        // EOF.
-        None => CharacterKind::Whitespace,
+    if let Some(char) = char {
         // Unicode whitespace.
-        Some(char) if char.is_whitespace() => CharacterKind::Whitespace,
+        if char.is_whitespace() {
+            CharacterKind::Whitespace
+        }
         // Unicode punctuation.
-        Some(char) if PUNCTUATION.contains(&char) => CharacterKind::Punctuation,
+        else if PUNCTUATION.contains(&char) {
+            CharacterKind::Punctuation
+        }
         // Everything else.
-        Some(_) => CharacterKind::Other,
+        else {
+            CharacterKind::Other
+        }
+    }
+    // EOF.
+    else {
+        CharacterKind::Whitespace
     }
 }
diff --git a/src/construct/autolink.rs b/src/construct/autolink.rs
index 1bb8004..5c826a3 100644
--- a/src/construct/autolink.rs
+++ b/src/construct/autolink.rs
@@ -115,16 +115,15 @@ use crate::tokenizer::Tokenizer;
 ///      ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'<') if tokenizer.parse_state.constructs.autolink => {
-            tokenizer.enter(Name::Autolink);
-            tokenizer.enter(Name::AutolinkMarker);
-            tokenizer.consume();
-            tokenizer.exit(Name::AutolinkMarker);
-            tokenizer.enter(Name::AutolinkProtocol);
-            State::Next(StateName::AutolinkOpen)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.autolink && tokenizer.current == Some(b'<') {
+        tokenizer.enter(Name::Autolink);
+        tokenizer.enter(Name::AutolinkMarker);
+        tokenizer.consume();
+        tokenizer.exit(Name::AutolinkMarker);
+        tokenizer.enter(Name::AutolinkProtocol);
+        State::Next(StateName::AutolinkOpen)
+    } else {
+        State::Nok
     }
 }
 
diff --git a/src/construct/character_escape.rs b/src/construct/character_escape.rs
index 494f1d2..ac91c29 100644
--- a/src/construct/character_escape.rs
+++ b/src/construct/character_escape.rs
@@ -44,15 +44,14 @@ use crate::tokenizer::Tokenizer;
 ///      ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'\\') if tokenizer.parse_state.constructs.character_escape => {
-            tokenizer.enter(Name::CharacterEscape);
-            tokenizer.enter(Name::CharacterEscapeMarker);
-            tokenizer.consume();
-            tokenizer.exit(Name::CharacterEscapeMarker);
-            State::Next(StateName::CharacterEscapeInside)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.character_escape && tokenizer.current == Some(b'\\') {
+        tokenizer.enter(Name::CharacterEscape);
+        tokenizer.enter(Name::CharacterEscapeMarker);
+        tokenizer.consume();
+        tokenizer.exit(Name::CharacterEscapeMarker);
+        State::Next(StateName::CharacterEscapeInside)
+    } else {
+        State::Nok
     }
 }
 
diff --git a/src/construct/character_reference.rs b/src/construct/character_reference.rs
index 6171927..7d7b6f9 100644
--- a/src/construct/character_reference.rs
+++ b/src/construct/character_reference.rs
@@ -81,15 +81,14 @@ use crate::util::slice::Slice;
 ///      ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'&') if tokenizer.parse_state.constructs.character_reference => {
-            tokenizer.enter(Name::CharacterReference);
-            tokenizer.enter(Name::CharacterReferenceMarker);
-            tokenizer.consume();
-            tokenizer.exit(Name::CharacterReferenceMarker);
-            State::Next(StateName::CharacterReferenceOpen)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.character_reference && tokenizer.current == Some(b'&') {
+        tokenizer.enter(Name::CharacterReference);
+        tokenizer.enter(Name::CharacterReferenceMarker);
+        tokenizer.consume();
+        tokenizer.exit(Name::CharacterReferenceMarker);
+        State::Next(StateName::CharacterReferenceOpen)
+    } else {
+        State::Nok
     }
 }
 
diff --git a/src/construct/code_fenced.rs b/src/construct/code_fenced.rs
index ac9a63f..e69f33c 100644
--- a/src/construct/code_fenced.rs
+++ b/src/construct/code_fenced.rs
@@ -180,28 +180,24 @@ pub fn before_sequence_open(tokenizer: &mut Tokenizer) -> State {
 ///   | ~~~
 /// ```
 pub fn sequence_open(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'`' | b'~') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker => {
-            tokenizer.tokenize_state.size += 1;
-            tokenizer.consume();
-            State::Next(StateName::CodeFencedSequenceOpen)
-        }
-        _ if tokenizer.tokenize_state.size >= CODE_FENCED_SEQUENCE_SIZE_MIN => {
-            tokenizer.exit(Name::CodeFencedFenceSequence);
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.tokenize_state.size += 1;
+        tokenizer.consume();
+        State::Next(StateName::CodeFencedSequenceOpen)
+    } else if tokenizer.tokenize_state.size >= CODE_FENCED_SEQUENCE_SIZE_MIN {
+        tokenizer.exit(Name::CodeFencedFenceSequence);
 
-            tokenizer.attempt(
-                State::Next(StateName::CodeFencedInfoBefore),
-                State::Next(StateName::CodeFencedInfoBefore),
-            );
+        tokenizer.attempt(
+            State::Next(StateName::CodeFencedInfoBefore),
+            State::Next(StateName::CodeFencedInfoBefore),
+        );
 
-            State::Retry(space_or_tab(tokenizer))
-        }
-        _ => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.size_c = 0;
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
+        State::Retry(space_or_tab(tokenizer))
+    } else {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.tokenize_state.size_c = 0;
+        tokenizer.tokenize_state.size = 0;
+        State::Nok
     }
 }
 
@@ -257,16 +253,17 @@ pub fn info(tokenizer: &mut Tokenizer) -> State {
             );
             State::Retry(space_or_tab(tokenizer))
         }
-        Some(b'`') if tokenizer.tokenize_state.marker == b'`' => {
-            tokenizer.concrete = false;
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.size_c = 0;
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
-        Some(_) => {
-            tokenizer.consume();
-            State::Next(StateName::CodeFencedInfo)
+        Some(byte) => {
+            if tokenizer.tokenize_state.marker == byte && byte == b'`' {
+                tokenizer.concrete = false;
+                tokenizer.tokenize_state.marker = 0;
+                tokenizer.tokenize_state.size_c = 0;
+                tokenizer.tokenize_state.size = 0;
+                State::Nok
+            } else {
+                tokenizer.consume();
+                State::Next(StateName::CodeFencedInfo)
+            }
         }
     }
 }
@@ -305,16 +302,17 @@ pub fn meta(tokenizer: &mut Tokenizer) -> State {
             tokenizer.exit(Name::CodeFencedFenceMeta);
             State::Retry(StateName::CodeFencedInfoBefore)
         }
-        Some(b'`') if tokenizer.tokenize_state.marker == b'`' => {
-            tokenizer.concrete = false;
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.size_c = 0;
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
-        _ => {
-            tokenizer.consume();
-            State::Next(StateName::CodeFencedMeta)
+        Some(byte) => {
+            if tokenizer.tokenize_state.marker == byte && byte == b'`' {
+                tokenizer.concrete = false;
+                tokenizer.tokenize_state.marker = 0;
+                tokenizer.tokenize_state.size_c = 0;
+                tokenizer.tokenize_state.size = 0;
+                State::Nok
+            } else {
+                tokenizer.consume();
+                State::Next(StateName::CodeFencedMeta)
+            }
         }
     }
 }
@@ -392,12 +390,11 @@ pub fn close_start(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn before_sequence_close(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'`' | b'~') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker => {
-            tokenizer.enter(Name::CodeFencedFenceSequence);
-            State::Retry(StateName::CodeFencedSequenceClose)
-        }
-        _ => State::Nok,
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.enter(Name::CodeFencedFenceSequence);
+        State::Retry(StateName::CodeFencedSequenceClose)
+    } else {
+        State::Nok
     }
 }
 
@@ -410,27 +407,23 @@ pub fn before_sequence_close(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn sequence_close(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'`' | b'~') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker => {
-            tokenizer.tokenize_state.size_b += 1;
-            tokenizer.consume();
-            State::Next(StateName::CodeFencedSequenceClose)
-        }
-        _ if tokenizer.tokenize_state.size_b >= CODE_FENCED_SEQUENCE_SIZE_MIN
-            && tokenizer.tokenize_state.size_b >= tokenizer.tokenize_state.size =>
-        {
-            tokenizer.tokenize_state.size_b = 0;
-            tokenizer.exit(Name::CodeFencedFenceSequence);
-            tokenizer.attempt(
-                State::Next(StateName::CodeFencedAfterSequenceClose),
-                State::Next(StateName::CodeFencedAfterSequenceClose),
-            );
-            State::Retry(space_or_tab(tokenizer))
-        }
-        _ => {
-            tokenizer.tokenize_state.size_b = 0;
-            State::Nok
-        }
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.tokenize_state.size_b += 1;
+        tokenizer.consume();
+        State::Next(StateName::CodeFencedSequenceClose)
+    } else if tokenizer.tokenize_state.size_b >= CODE_FENCED_SEQUENCE_SIZE_MIN
+        && tokenizer.tokenize_state.size_b >= tokenizer.tokenize_state.size
+    {
+        tokenizer.tokenize_state.size_b = 0;
+        tokenizer.exit(Name::CodeFencedFenceSequence);
+        tokenizer.attempt(
+            State::Next(StateName::CodeFencedAfterSequenceClose),
+            State::Next(StateName::CodeFencedAfterSequenceClose),
+        );
+        State::Retry(space_or_tab(tokenizer))
+    } else {
+        tokenizer.tokenize_state.size_b = 0;
+        State::Nok
     }
 }
 
diff --git a/src/construct/code_indented.rs b/src/construct/code_indented.rs
index 3a82dc4..5805346 100644
--- a/src/construct/code_indented.rs
+++ b/src/construct/code_indented.rs
@@ -135,33 +135,19 @@ pub fn after(tokenizer: &mut Tokenizer) -> State {
 ///   |     bbb
 /// ```
 pub fn further_start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'\n') if !tokenizer.lazy => {
-            tokenizer.enter(Name::LineEnding);
-            tokenizer.consume();
-            tokenizer.exit(Name::LineEnding);
-            State::Next(StateName::CodeIndentedFurtherStart)
-        }
-        _ if !tokenizer.lazy => {
-            tokenizer.attempt(
-                State::Next(StateName::CodeIndentedFurtherEnd),
-                State::Next(StateName::CodeIndentedFurtherBegin),
-            );
-            State::Retry(space_or_tab_min_max(tokenizer, TAB_SIZE, TAB_SIZE))
-        }
-        _ => State::Nok,
+    if tokenizer.lazy {
+        return State::Nok;
     }
-}
 
-/// At eol, followed by an indented line.
-///
-/// ```markdown
-/// >  |     aaa
-///             ^
-///    |     bbb
-/// ```
-pub fn further_end(_tokenizer: &mut Tokenizer) -> State {
-    State::Ok
+    if tokenizer.current == Some(b'\n') {
+        tokenizer.enter(Name::LineEnding);
+        tokenizer.consume();
+        tokenizer.exit(Name::LineEnding);
+        State::Next(StateName::CodeIndentedFurtherStart)
+    } else {
+        tokenizer.attempt(State::Ok, State::Next(StateName::CodeIndentedFurtherBegin));
+        State::Retry(space_or_tab_min_max(tokenizer, TAB_SIZE, TAB_SIZE))
+    }
 }
 
 /// At the beginning of a line that is not indented enough.
diff --git a/src/construct/hard_break_escape.rs b/src/construct/hard_break_escape.rs
index cec34d5..79d8150 100644
--- a/src/construct/hard_break_escape.rs
+++ b/src/construct/hard_break_escape.rs
@@ -51,13 +51,12 @@ use crate::tokenizer::Tokenizer;
 ///   | b
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'\\') if tokenizer.parse_state.constructs.hard_break_escape => {
-            tokenizer.enter(Name::HardBreakEscape);
-            tokenizer.consume();
-            State::Next(StateName::HardBreakEscapeAfter)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.hard_break_escape && tokenizer.current == Some(b'\\') {
+        tokenizer.enter(Name::HardBreakEscape);
+        tokenizer.consume();
+        State::Next(StateName::HardBreakEscapeAfter)
+    } else {
+        State::Nok
     }
 }
 
diff --git a/src/construct/heading_atx.rs b/src/construct/heading_atx.rs
index 974158f..f75805a 100644
--- a/src/construct/heading_atx.rs
+++ b/src/construct/heading_atx.rs
@@ -107,27 +107,29 @@ pub fn before(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn sequence_open(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None | Some(b'\n') if tokenizer.tokenize_state.size > 0 => {
+    if tokenizer.current == Some(b'#')
+        && tokenizer.tokenize_state.size < HEADING_ATX_OPENING_FENCE_SIZE_MAX
+    {
+        tokenizer.tokenize_state.size += 1;
+        tokenizer.consume();
+        State::Next(StateName::HeadingAtxSequenceOpen)
+    } else if tokenizer.tokenize_state.size > 0 {
+        if matches!(tokenizer.current, None | Some(b'\n')) {
             tokenizer.tokenize_state.size = 0;
             tokenizer.exit(Name::HeadingAtxSequence);
             State::Retry(StateName::HeadingAtxAtBreak)
-        }
-        Some(b'#') if tokenizer.tokenize_state.size < HEADING_ATX_OPENING_FENCE_SIZE_MAX => {
-            tokenizer.tokenize_state.size += 1;
-            tokenizer.consume();
-            State::Next(StateName::HeadingAtxSequenceOpen)
-        }
-        _ if tokenizer.tokenize_state.size > 0 => {
+        } else if matches!(tokenizer.current, Some(b'\t' | b' ')) {
             tokenizer.tokenize_state.size = 0;
             tokenizer.exit(Name::HeadingAtxSequence);
             tokenizer.attempt(State::Next(StateName::HeadingAtxAtBreak), State::Nok);
             State::Retry(space_or_tab(tokenizer))
-        }
-        _ => {
+        } else {
             tokenizer.tokenize_state.size = 0;
             State::Nok
         }
+    } else {
+        tokenizer.tokenize_state.size = 0;
+        State::Nok
     }
 }
 
diff --git a/src/construct/heading_setext.rs b/src/construct/heading_setext.rs
index 8485f5a..4e6345a 100644
--- a/src/construct/heading_setext.rs
+++ b/src/construct/heading_setext.rs
@@ -126,20 +126,17 @@ pub fn before(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn inside(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'-' | b'=') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker => {
-            tokenizer.consume();
-            State::Next(StateName::HeadingSetextInside)
-        }
-        _ => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.exit(Name::HeadingSetextUnderline);
-            tokenizer.attempt(
-                State::Next(StateName::HeadingSetextAfter),
-                State::Next(StateName::HeadingSetextAfter),
-            );
-            State::Retry(space_or_tab(tokenizer))
-        }
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.consume();
+        State::Next(StateName::HeadingSetextInside)
+    } else {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.exit(Name::HeadingSetextUnderline);
+        tokenizer.attempt(
+            State::Next(StateName::HeadingSetextAfter),
+            State::Next(StateName::HeadingSetextAfter),
+        );
+        State::Retry(space_or_tab(tokenizer))
     }
 }
 
diff --git a/src/construct/html_flow.rs b/src/construct/html_flow.rs
index 2da4f47..2d685b6 100644
--- a/src/construct/html_flow.rs
+++ b/src/construct/html_flow.rs
@@ -525,21 +525,17 @@ pub fn complete_attribute_value_before(tokenizer: &mut Tokenizer) -> State {
 ///           ^
 /// ```
 pub fn complete_attribute_value_quoted(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None | Some(b'\n') => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.marker_b = 0;
-            State::Nok
-        }
-        Some(b'"' | b'\'') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker_b => {
-            tokenizer.tokenize_state.marker_b = 0;
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowCompleteAttributeValueQuotedAfter)
-        }
-        _ => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowCompleteAttributeValueQuoted)
-        }
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker_b) {
+        tokenizer.tokenize_state.marker_b = 0;
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowCompleteAttributeValueQuotedAfter)
+    } else if matches!(tokenizer.current, None | Some(b'\n')) {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.tokenize_state.marker_b = 0;
+        State::Nok
+    } else {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowCompleteAttributeValueQuoted)
     }
 }
 
@@ -624,47 +620,37 @@ pub fn complete_after(tokenizer: &mut Tokenizer) -> State {
 ///          ^
 /// ```
 pub fn continuation(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'\n')
-            if tokenizer.tokenize_state.marker == BASIC
-                || tokenizer.tokenize_state.marker == COMPLETE =>
-        {
-            tokenizer.exit(Name::HtmlFlowData);
-            tokenizer.check(
-                State::Next(StateName::HtmlFlowContinuationAfter),
-                State::Next(StateName::HtmlFlowContinuationStart),
-            );
-            State::Retry(StateName::HtmlFlowBlankLineBefore)
-        }
-        // Note: important that this is after the basic/complete case.
-        None | Some(b'\n') => {
-            tokenizer.exit(Name::HtmlFlowData);
-            State::Retry(StateName::HtmlFlowContinuationStart)
-        }
-        Some(b'-') if tokenizer.tokenize_state.marker == COMMENT => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationCommentInside)
-        }
-        Some(b'<') if tokenizer.tokenize_state.marker == RAW => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationRawTagOpen)
-        }
-        Some(b'>') if tokenizer.tokenize_state.marker == DECLARATION => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationClose)
-        }
-        Some(b'?') if tokenizer.tokenize_state.marker == INSTRUCTION => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationDeclarationInside)
-        }
-        Some(b']') if tokenizer.tokenize_state.marker == CDATA => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationCdataInside)
-        }
-        _ => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuation)
-        }
+    if tokenizer.tokenize_state.marker == COMMENT && tokenizer.current == Some(b'-') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationCommentInside)
+    } else if tokenizer.tokenize_state.marker == RAW && tokenizer.current == Some(b'<') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationRawTagOpen)
+    } else if tokenizer.tokenize_state.marker == DECLARATION && tokenizer.current == Some(b'>') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationClose)
+    } else if tokenizer.tokenize_state.marker == INSTRUCTION && tokenizer.current == Some(b'?') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationDeclarationInside)
+    } else if tokenizer.tokenize_state.marker == CDATA && tokenizer.current == Some(b']') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationCdataInside)
+    } else if (tokenizer.tokenize_state.marker == BASIC
+        || tokenizer.tokenize_state.marker == COMPLETE)
+        && tokenizer.current == Some(b'\n')
+    {
+        tokenizer.exit(Name::HtmlFlowData);
+        tokenizer.check(
+            State::Next(StateName::HtmlFlowContinuationAfter),
+            State::Next(StateName::HtmlFlowContinuationStart),
+        );
+        State::Retry(StateName::HtmlFlowBlankLineBefore)
+    } else if matches!(tokenizer.current, None | Some(b'\n')) {
+        tokenizer.exit(Name::HtmlFlowData);
+        State::Retry(StateName::HtmlFlowContinuationStart)
+    } else {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuation)
     }
 }
 
@@ -822,16 +808,14 @@ pub fn continuation_cdata_inside(tokenizer: &mut Tokenizer) -> State {
 ///                   ^
 /// ```
 pub fn continuation_declaration_inside(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'>') => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationClose)
-        }
-        Some(b'-') if tokenizer.tokenize_state.marker == COMMENT => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlFlowContinuationDeclarationInside)
-        }
-        _ => State::Retry(StateName::HtmlFlowContinuation),
+    if tokenizer.tokenize_state.marker == COMMENT && tokenizer.current == Some(b'-') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationDeclarationInside)
+    } else if tokenizer.current == Some(b'>') {
+        tokenizer.consume();
+        State::Next(StateName::HtmlFlowContinuationClose)
+    } else {
+        State::Retry(StateName::HtmlFlowContinuation)
     }
 }
 
diff --git a/src/construct/html_text.rs b/src/construct/html_text.rs
index fde78de..ffbc768 100644
--- a/src/construct/html_text.rs
+++ b/src/construct/html_text.rs
@@ -558,26 +558,27 @@ pub fn tag_open_attribute_value_before(tokenizer: &mut Tokenizer) -> State {
 ///             ^
 /// ```
 pub fn tag_open_attribute_value_quoted(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None => {
-            tokenizer.tokenize_state.marker = 0;
-            State::Nok
-        }
-        Some(b'\n') => {
-            tokenizer.attempt(
-                State::Next(StateName::HtmlTextTagOpenAttributeValueQuoted),
-                State::Nok,
-            );
-            State::Retry(StateName::HtmlTextLineEndingBefore)
-        }
-        Some(b'"' | b'\'') if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.consume();
-            State::Next(StateName::HtmlTextTagOpenAttributeValueQuotedAfter)
-        }
-        _ => {
-            tokenizer.consume();
-            State::Next(StateName::HtmlTextTagOpenAttributeValueQuoted)
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.consume();
+        State::Next(StateName::HtmlTextTagOpenAttributeValueQuotedAfter)
+    } else {
+        match tokenizer.current {
+            None => {
+                tokenizer.tokenize_state.marker = 0;
+                State::Nok
+            }
+            Some(b'\n') => {
+                tokenizer.attempt(
+                    State::Next(StateName::HtmlTextTagOpenAttributeValueQuoted),
+                    State::Nok,
+                );
+                State::Retry(StateName::HtmlTextLineEndingBefore)
+            }
+            _ => {
+                tokenizer.consume();
+                State::Next(StateName::HtmlTextTagOpenAttributeValueQuoted)
+            }
         }
     }
 }
diff --git a/src/construct/label_start_image.rs b/src/construct/label_start_image.rs
index ce09f5b..b2890e6 100644
--- a/src/construct/label_start_image.rs
+++ b/src/construct/label_start_image.rs
@@ -40,15 +40,14 @@ use crate::tokenizer::{LabelStart, Tokenizer};
 ///       ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'!') if tokenizer.parse_state.constructs.label_start_image => {
-            tokenizer.enter(Name::LabelImage);
-            tokenizer.enter(Name::LabelImageMarker);
-            tokenizer.consume();
-            tokenizer.exit(Name::LabelImageMarker);
-            State::Next(StateName::LabelStartImageOpen)
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.label_start_image && tokenizer.current == Some(b'!') {
+        tokenizer.enter(Name::LabelImage);
+        tokenizer.enter(Name::LabelImageMarker);
+        tokenizer.consume();
+        tokenizer.exit(Name::LabelImageMarker);
+        State::Next(StateName::LabelStartImageOpen)
+    } else {
+        State::Nok
     }
 }
 
diff --git a/src/construct/label_start_link.rs b/src/construct/label_start_link.rs
index 7288d5d..8089e80 100644
--- a/src/construct/label_start_link.rs
+++ b/src/construct/label_start_link.rs
@@ -39,21 +39,20 @@ use crate::tokenizer::{LabelStart, Tokenizer};
 ///       ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'[') if tokenizer.parse_state.constructs.label_start_link => {
-            let start = tokenizer.events.len();
-            tokenizer.enter(Name::LabelLink);
-            tokenizer.enter(Name::LabelMarker);
-            tokenizer.consume();
-            tokenizer.exit(Name::LabelMarker);
-            tokenizer.exit(Name::LabelLink);
-            tokenizer.tokenize_state.label_start_stack.push(LabelStart {
-                start: (start, tokenizer.events.len() - 1),
-                inactive: false,
-            });
-            tokenizer.register_resolver_before(ResolveName::Label);
-            State::Ok
-        }
-        _ => State::Nok,
+    if tokenizer.parse_state.constructs.label_start_link && tokenizer.current == Some(b'[') {
+        let start = tokenizer.events.len();
+        tokenizer.enter(Name::LabelLink);
+        tokenizer.enter(Name::LabelMarker);
+        tokenizer.consume();
+        tokenizer.exit(Name::LabelMarker);
+        tokenizer.exit(Name::LabelLink);
+        tokenizer.tokenize_state.label_start_stack.push(LabelStart {
+            start: (start, tokenizer.events.len() - 1),
+            inactive: false,
+        });
+        tokenizer.register_resolver_before(ResolveName::Label);
+        State::Ok
+    } else {
+        State::Nok
     }
 }
diff --git a/src/construct/list.rs b/src/construct/list.rs
index 206f823..076ff58 100644
--- a/src/construct/list.rs
+++ b/src/construct/list.rs
@@ -86,17 +86,20 @@ pub fn start(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn before(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        // Unordered.
-        Some(b'*' | b'-') => {
-            tokenizer.check(State::Nok, State::Next(StateName::ListBeforeUnordered));
-            State::Retry(StateName::ThematicBreakStart)
-        }
-        Some(b'+') => State::Retry(StateName::ListBeforeUnordered),
-        // Ordered.
-        Some(b'0'..=b'9') if !tokenizer.interrupt => State::Retry(StateName::ListBeforeOrdered),
-        Some(b'1') => State::Retry(StateName::ListBeforeOrdered),
-        _ => State::Nok,
+    // Unordered.
+    if matches!(tokenizer.current, Some(b'*' | b'-')) {
+        tokenizer.check(State::Nok, State::Next(StateName::ListBeforeUnordered));
+        State::Retry(StateName::ThematicBreakStart)
+    } else if tokenizer.current == Some(b'+') {
+        State::Retry(StateName::ListBeforeUnordered)
+    }
+    // Ordered.
+    else if tokenizer.current == Some(b'1')
+        || (matches!(tokenizer.current, Some(b'0'..=b'9')) && !tokenizer.interrupt)
+    {
+        State::Retry(StateName::ListBeforeOrdered)
+    } else {
+        State::Nok
     }
 }
 
@@ -132,20 +135,20 @@ pub fn before_ordered(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn value(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'.' | b')') if !tokenizer.interrupt || tokenizer.tokenize_state.size < 2 => {
-            tokenizer.exit(Name::ListItemValue);
-            State::Retry(StateName::ListMarker)
-        }
-        Some(b'0'..=b'9') if tokenizer.tokenize_state.size + 1 < LIST_ITEM_VALUE_SIZE_MAX => {
-            tokenizer.tokenize_state.size += 1;
-            tokenizer.consume();
-            State::Next(StateName::ListValue)
-        }
-        _ => {
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
+    if matches!(tokenizer.current, Some(b'.' | b')'))
+        && (!tokenizer.interrupt || tokenizer.tokenize_state.size < 2)
+    {
+        tokenizer.exit(Name::ListItemValue);
+        State::Retry(StateName::ListMarker)
+    } else if matches!(tokenizer.current, Some(b'0'..=b'9'))
+        && tokenizer.tokenize_state.size + 1 < LIST_ITEM_VALUE_SIZE_MAX
+    {
+        tokenizer.tokenize_state.size += 1;
+        tokenizer.consume();
+        State::Next(StateName::ListValue)
+    } else {
+        tokenizer.tokenize_state.size = 0;
+        State::Nok
     }
 }
 
diff --git a/src/construct/partial_data.rs b/src/construct/partial_data.rs
index b6b0f59..8c8ecbb 100644
--- a/src/construct/partial_data.rs
+++ b/src/construct/partial_data.rs
@@ -18,15 +18,16 @@ use crate::tokenizer::Tokenizer;
 ///     ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        // Make sure to eat the first `markers`.
-        Some(byte) if tokenizer.tokenize_state.markers.contains(&byte) => {
+    // Make sure to eat the first `markers`.
+    if let Some(byte) = tokenizer.current {
+        if tokenizer.tokenize_state.markers.contains(&byte) {
             tokenizer.enter(Name::Data);
             tokenizer.consume();
-            State::Next(StateName::DataInside)
+            return State::Next(StateName::DataInside);
         }
-        _ => State::Retry(StateName::DataAtBreak),
     }
+
+    State::Retry(StateName::DataAtBreak)
 }
 
 /// Before something.
@@ -36,23 +37,21 @@ pub fn start(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn at_break(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None => State::Ok,
-        Some(b'\n') => {
-            tokenizer.enter(Name::LineEnding);
-            tokenizer.consume();
-            tokenizer.exit(Name::LineEnding);
-            State::Next(StateName::DataAtBreak)
-        }
-        Some(byte) if tokenizer.tokenize_state.markers.contains(&byte) => {
-            tokenizer.register_resolver_before(ResolveName::Data);
-            State::Ok
-        }
-        _ => {
+    if let Some(byte) = tokenizer.current {
+        if !tokenizer.tokenize_state.markers.contains(&byte) {
+            if byte == b'\n' {
+                tokenizer.enter(Name::LineEnding);
+                tokenizer.consume();
+                tokenizer.exit(Name::LineEnding);
+                return State::Next(StateName::DataAtBreak);
+            }
             tokenizer.enter(Name::Data);
-            State::Retry(StateName::DataInside)
+            return State::Retry(StateName::DataInside);
         }
     }
+
+    tokenizer.register_resolver_before(ResolveName::Data);
+    State::Ok
 }
 
 /// In data.
@@ -62,19 +61,15 @@ pub fn at_break(tokenizer: &mut Tokenizer) -> State {
 ///     ^^^
 /// ```
 pub fn inside(tokenizer: &mut Tokenizer) -> State {
-    let done = match tokenizer.current {
-        None | Some(b'\n') => true,
-        Some(byte) if tokenizer.tokenize_state.markers.contains(&byte) => true,
-        _ => false,
-    };
-
-    if done {
-        tokenizer.exit(Name::Data);
-        State::Retry(StateName::DataAtBreak)
-    } else {
-        tokenizer.consume();
-        State::Next(StateName::DataInside)
+    if let Some(byte) = tokenizer.current {
+        if byte != b'\n' && !tokenizer.tokenize_state.markers.contains(&byte) {
+            tokenizer.consume();
+            return State::Next(StateName::DataInside);
+        }
     }
+
+    tokenizer.exit(Name::Data);
+    State::Retry(StateName::DataAtBreak)
 }
 
 /// Merge adjacent data events.
diff --git a/src/construct/partial_destination.rs b/src/construct/partial_destination.rs
index dc5c904..29cb5c4 100644
--- a/src/construct/partial_destination.rs
+++ b/src/construct/partial_destination.rs
@@ -174,38 +174,39 @@ pub fn enclosed_escape(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn raw(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None | Some(b'\t' | b'\n' | b' ' | b')') if tokenizer.tokenize_state.size == 0 => {
-            tokenizer.exit(Name::Data);
-            tokenizer.exit(tokenizer.tokenize_state.token_5.clone());
-            tokenizer.exit(tokenizer.tokenize_state.token_4.clone());
-            tokenizer.exit(tokenizer.tokenize_state.token_1.clone());
-            tokenizer.tokenize_state.size = 0;
-            State::Ok
-        }
-        Some(b'(') if tokenizer.tokenize_state.size < tokenizer.tokenize_state.size_b => {
-            tokenizer.consume();
-            tokenizer.tokenize_state.size += 1;
-            State::Next(StateName::DestinationRaw)
-        }
-        // ASCII control (but *not* `\0`) and space and `(`.
-        None | Some(0x01..=0x1F | b' ' | b'(' | 0x7F) => {
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
-        Some(b')') => {
-            tokenizer.consume();
-            tokenizer.tokenize_state.size -= 1;
-            State::Next(StateName::DestinationRaw)
-        }
-        Some(b'\\') => {
-            tokenizer.consume();
-            State::Next(StateName::DestinationRawEscape)
-        }
-        Some(_) => {
-            tokenizer.consume();
-            State::Next(StateName::DestinationRaw)
-        }
+    if tokenizer.tokenize_state.size == 0
+        && matches!(tokenizer.current, None | Some(b'\t' | b'\n' | b' ' | b')'))
+    {
+        tokenizer.exit(Name::Data);
+        tokenizer.exit(tokenizer.tokenize_state.token_5.clone());
+        tokenizer.exit(tokenizer.tokenize_state.token_4.clone());
+        tokenizer.exit(tokenizer.tokenize_state.token_1.clone());
+        tokenizer.tokenize_state.size = 0;
+        State::Ok
+    } else if tokenizer.tokenize_state.size < tokenizer.tokenize_state.size_b
+        && tokenizer.current == Some(b'(')
+    {
+        tokenizer.consume();
+        tokenizer.tokenize_state.size += 1;
+        State::Next(StateName::DestinationRaw)
+    } else if tokenizer.current == Some(b')') {
+        tokenizer.consume();
+        tokenizer.tokenize_state.size -= 1;
+        State::Next(StateName::DestinationRaw)
+    }
+    // ASCII control (but *not* `\0`) and space and `(`.
+    else if matches!(
+        tokenizer.current,
+        None | Some(0x01..=0x1F | b' ' | b'(' | 0x7F)
+    ) {
+        tokenizer.tokenize_state.size = 0;
+        State::Nok
+    } else if tokenizer.current == Some(b'\\') {
+        tokenizer.consume();
+        State::Next(StateName::DestinationRawEscape)
+    } else {
+        tokenizer.consume();
+        State::Next(StateName::DestinationRaw)
     }
 }
 
diff --git a/src/construct/partial_space_or_tab.rs b/src/construct/partial_space_or_tab.rs
index 5f1b4cf..9637373 100644
--- a/src/construct/partial_space_or_tab.rs
+++ b/src/construct/partial_space_or_tab.rs
@@ -68,23 +68,24 @@ pub fn space_or_tab_with_options(tokenizer: &mut Tokenizer, options: Options) ->
 ///      ^
 /// ```
 pub fn start(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        Some(b'\t' | b' ') if tokenizer.tokenize_state.space_or_tab_max > 0 => {
-            tokenizer.enter_with_content(
-                tokenizer.tokenize_state.space_or_tab_token.clone(),
-                tokenizer.tokenize_state.space_or_tab_content_type.clone(),
-            );
-
-            if tokenizer.tokenize_state.space_or_tab_connect {
-                let index = tokenizer.events.len() - 1;
-                link(&mut tokenizer.events, index);
-            } else if tokenizer.tokenize_state.space_or_tab_content_type.is_some() {
-                tokenizer.tokenize_state.space_or_tab_connect = true;
-            }
+    if tokenizer.tokenize_state.space_or_tab_max > 0
+        && matches!(tokenizer.current, Some(b'\t' | b' '))
+    {
+        tokenizer.enter_with_content(
+            tokenizer.tokenize_state.space_or_tab_token.clone(),
+            tokenizer.tokenize_state.space_or_tab_content_type.clone(),
+        );
 
-            State::Retry(StateName::SpaceOrTabInside)
+        if tokenizer.tokenize_state.space_or_tab_connect {
+            let index = tokenizer.events.len() - 1;
+            link(&mut tokenizer.events, index);
+        } else if tokenizer.tokenize_state.space_or_tab_content_type.is_some() {
+            tokenizer.tokenize_state.space_or_tab_connect = true;
         }
-        _ => State::Retry(StateName::SpaceOrTabAfter),
+
+        State::Retry(StateName::SpaceOrTabInside)
+    } else {
+        State::Retry(StateName::SpaceOrTabAfter)
     }
 }
 
diff --git a/src/construct/thematic_break.rs b/src/construct/thematic_break.rs
index b2989cb..af8206e 100644
--- a/src/construct/thematic_break.rs
+++ b/src/construct/thematic_break.rs
@@ -101,26 +101,22 @@ pub fn before(tokenizer: &mut Tokenizer) -> State {
 ///     ^
 /// ```
 pub fn at_break(tokenizer: &mut Tokenizer) -> State {
-    match tokenizer.current {
-        None | Some(b'\n') if tokenizer.tokenize_state.size >= THEMATIC_BREAK_MARKER_COUNT_MIN => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.size = 0;
-            tokenizer.exit(Name::ThematicBreak);
-            // Feel free to interrupt.
-            tokenizer.interrupt = false;
-            State::Ok
-        }
-        Some(b'*' | b'-' | b'_')
-            if tokenizer.current.unwrap() == tokenizer.tokenize_state.marker =>
-        {
-            tokenizer.enter(Name::ThematicBreakSequence);
-            State::Retry(StateName::ThematicBreakSequence)
-        }
-        _ => {
-            tokenizer.tokenize_state.marker = 0;
-            tokenizer.tokenize_state.size = 0;
-            State::Nok
-        }
+    if tokenizer.current == Some(tokenizer.tokenize_state.marker) {
+        tokenizer.enter(Name::ThematicBreakSequence);
+        State::Retry(StateName::ThematicBreakSequence)
+    } else if tokenizer.tokenize_state.size >= THEMATIC_BREAK_MARKER_COUNT_MIN
+        && matches!(tokenizer.current, None | Some(b'\n'))
+    {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.tokenize_state.size = 0;
+        tokenizer.exit(Name::ThematicBreak);
+        // Feel free to interrupt.
+        tokenizer.interrupt = false;
+        State::Ok
+    } else {
+        tokenizer.tokenize_state.marker = 0;
+        tokenizer.tokenize_state.size = 0;
+        State::Nok
     }
 }