Do not consume trailing whitespace if the parent exit matcher is matching.

src/parser/util.rs

@@ -92,6 +92,21 @@ pub fn element_trailing_whitespace<'r, 's>(
     alt((eof, recognize(many0(blank_line))))(input)
 }
 
+#[tracing::instrument(ret, level = "debug")]
+pub fn maybe_consume_trailing_whitespace_if_not_exiting<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, Option<&'s str>> {
+    if context.should_consume_trailing_whitespace() && exit_matcher_parser(context, input).is_err()
+    {
+        Ok(opt(parser_with_context!(element_trailing_whitespace)(
+            context,
+        ))(input)?)
+    } else {
+        Ok((input, None))
+    }
+}
+
 #[tracing::instrument(ret, level = "debug")]
 pub fn maybe_consume_trailing_whitespace<'r, 's>(
     context: Context<'r, 's>,