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-rw-r--r--vendor/mdbook/src/utils/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/vendor/mdbook/src/utils/mod.rs b/vendor/mdbook/src/utils/mod.rs
index 9f67deda7..9156916ea 100644
--- a/vendor/mdbook/src/utils/mod.rs
+++ b/vendor/mdbook/src/utils/mod.rs
@@ -183,6 +183,7 @@ pub fn new_cmark_parser(text: &str, curly_quotes: bool) -> Parser<'_, '_> {
opts.insert(Options::ENABLE_FOOTNOTES);
opts.insert(Options::ENABLE_STRIKETHROUGH);
opts.insert(Options::ENABLE_TASKLISTS);
+ opts.insert(Options::ENABLE_HEADING_ATTRIBUTES);
if curly_quotes {
opts.insert(Options::ENABLE_SMART_PUNCTUATION);
}