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prepass: avoid consecutive '-' in heading id

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This commit is contained in:
Noah Hellman 2023-02-01 18:25:52 +01:00
commit 1bbfd4a96a
1 changed files with 4 additions and 1 deletions
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5
src/lib.rs
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@ -412,6 +412,7 @@ impl<'s> PrePass<'s> {
inlines.set_spans(tree.take_inlines()); inlines.set_spans(tree.take_inlines());
let mut id_auto = String::new(); let mut id_auto = String::new();
let mut last_whitespace = true;
inline::Parser::new(inlines.chars()).for_each(|ev| match ev.kind { inline::Parser::new(inlines.chars()).for_each(|ev| match ev.kind {
inline::EventKind::Str => { inline::EventKind::Str => {
let mut chars = inlines.slice(ev.span).chars().peekable(); let mut chars = inlines.slice(ev.span).chars().peekable();
@ -420,11 +421,13 @@ impl<'s> PrePass<'s> {
while chars.peek().map_or(false, |c| c.is_whitespace()) { while chars.peek().map_or(false, |c| c.is_whitespace()) {
chars.next(); chars.next();
} }
if !id_auto.is_empty() { if !last_whitespace {
last_whitespace = true;
id_auto.push('-'); id_auto.push('-');
} }
} else if !c.is_ascii_punctuation() || matches!(c, '-' | '_') { } else if !c.is_ascii_punctuation() || matches!(c, '-' | '_') {
id_auto.push(c); id_auto.push(c);
last_whitespace = false;
} }
} }
} }