Set is_footnote_section during parsing.

src/parser/headline.rs

@@ -93,7 +93,7 @@ fn _heading<'b, 'g, 'r, 's>(
             children,
             is_comment: pre_headline.comment.is_some(),
             is_archived,
-            is_footnote_section: false, // TODO
+            is_footnote_section: pre_headline.is_footnote_section,
         },
     ))
 }
@@ -115,6 +115,7 @@ struct PreHeadline<'s> {
     comment: Option<OrgSource<'s>>,
     title: Vec<Object<'s>>,
     tags: Vec<&'s str>,
+    is_footnote_section: bool,
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
@@ -163,6 +164,14 @@ fn headline<'b, 'g, 'r, 's>(
 
     let (remaining, _) = tuple((space0, org_line_ending))(remaining)?;
 
+    let is_footnote_section = maybe_title
+        .as_ref()
+        .map(|(_, (raw_title, _))| raw_title)
+        .map(|raw_title| {
+            Into::<&str>::into(raw_title) == context.get_global_settings().footnote_section
+        })
+        .unwrap_or(false);
+
     Ok((
         remaining,
         PreHeadline {
@@ -181,6 +190,7 @@ fn headline<'b, 'g, 'r, 's>(
                         .collect()
                 })
                 .unwrap_or(Vec::new()),
+            is_footnote_section,
         },
     ))
 }