2 files changed, 19 insertions, 23 deletions

diff --git a/src/construct/definition.rs b/src/construct/definition.rs
index 8ccfb90..0ce2ffb 100644
--- a/src/construct/definition.rs
+++ b/src/construct/definition.rs
@@ -215,15 +215,11 @@ pub fn label_nok(tokenizer: &mut Tokenizer) -> State {
 ///         ^
 /// ```
 pub fn marker_after(tokenizer: &mut Tokenizer) -> State {
-    if matches!(tokenizer.current, Some(b'\t' | b'\n' | b' ')) {
-        tokenizer.attempt(
-            State::Next(StateName::DefinitionDestinationBefore),
-            State::Next(StateName::DefinitionDestinationBefore),
-        );
-        State::Retry(space_or_tab_eol(tokenizer))
-    } else {
-        State::Retry(StateName::DefinitionDestinationBefore)
-    }
+    tokenizer.attempt(
+        State::Next(StateName::DefinitionDestinationBefore),
+        State::Next(StateName::DefinitionDestinationBefore),
+    );
+    State::Retry(space_or_tab_eol(tokenizer))
 }
 
 /// Before destination.
diff --git a/src/construct/partial_space_or_tab_eol.rs b/src/construct/partial_space_or_tab_eol.rs
index 1247639..93f6af2 100644
--- a/src/construct/partial_space_or_tab_eol.rs
+++ b/src/construct/partial_space_or_tab_eol.rs
@@ -82,8 +82,7 @@ pub fn start(tokenizer: &mut Tokenizer) -> State {
                 },
             ))
         }
-        Some(b'\n') => State::Retry(StateName::SpaceOrTabEolAtEol),
-        _ => State::Nok,
+        _ => State::Retry(StateName::SpaceOrTabEolAtEol),
     }
 }
 
@@ -98,11 +97,11 @@ pub fn start(tokenizer: &mut Tokenizer) -> State {
 /// ```
 pub fn after_first(tokenizer: &mut Tokenizer) -> State {
     tokenizer.tokenize_state.space_or_tab_eol_ok = true;
-
-    if tokenizer.tokenize_state.space_or_tab_eol_content.is_some() {
-        tokenizer.tokenize_state.space_or_tab_eol_connect = true;
-    }
-
+    debug_assert!(
+        tokenizer.tokenize_state.space_or_tab_eol_content.is_none(),
+        "expected no content"
+    );
+    // If the above ever errors, set `tokenizer.tokenize_state.space_or_tab_eol_connect: true` in that case.
     State::Retry(StateName::SpaceOrTabEolAtEol)
 }
 
@@ -195,14 +194,15 @@ pub fn after_eol(tokenizer: &mut Tokenizer) -> State {
 ///       ^
 /// ```
 pub fn after_more(tokenizer: &mut Tokenizer) -> State {
+    debug_assert!(
+        !matches!(tokenizer.current, None | Some(b'\n')),
+        "did not expect blank line"
+    );
+    // If the above ever starts erroring, gracefully `State::Nok` on it.
+    // Currently it doesn’t happen, as we only use this in content, which does
+    // not allow blank lines.
     tokenizer.tokenize_state.space_or_tab_eol_content = None;
     tokenizer.tokenize_state.space_or_tab_eol_connect = false;
     tokenizer.tokenize_state.space_or_tab_eol_ok = false;
-
-    // Blank line not allowed.
-    if matches!(tokenizer.current, None | Some(b'\n')) {
-        State::Nok
-    } else {
-        State::Ok
-    }
+    State::Ok
 }