Structurally this should be working but bold is not being captured.

src/parser/text_element_parser.rs

@@ -31,7 +31,10 @@ fn flat_text_element<'s, 'r>(
 ) -> Res<&'s str, TextElement<'s>> {
     not(|i| context.match_fail(i))(i)?;
 
+    let bold_matcher = parser_with_context!(flat_bold)(context);
+
     alt((
+        bold_matcher,
         map(span, TextElement::Span),
         map(symbol("*"), TextElement::Symbol),
         map(symbol("["), TextElement::Symbol),
@@ -41,13 +44,22 @@ fn flat_text_element<'s, 'r>(
     ))(i)
 }
 
+fn recognize_bold_end(input: &str) -> Res<&str, &str> {
+    recognize(bold_end)(input)
+}
+
 fn flat_bold<'s, 'r>(i: &'s str, context: &'r OrgModeContext<'r>) -> Res<&'s str, TextElement<'s>> {
-    // let fail_matcher = recognize(bold_end);
-    // let new_context = context.with_additional_fail_matcher(Rc::new(RefCell::new(paragraph_end)));
-    // let new_context =
-    //     context.with_additional_fail_matcher(Rc::new(RefCell::new(recognize(bold_end))));
-    // let new_context = context.without_bold(Rc::new(RefCell::new(recognize(bold_end))));
-    todo!()
+    let new_context = context.with_additional_fail_matcher(&recognize_bold_end);
+    let text_element_parser = parser_with_context!(flat_text_element)(&new_context);
+    let (remaining, captured) = recognize(tuple((
+        bold_start,
+        many_till(text_element_parser, bold_end),
+        bold_end
+    )))(i)?;
+    let ret = TextElement::Bold(Bold {
+        contents: captured
+    });
+    Ok((remaining, ret))
 }
 
 pub fn paragraph<'s, 'r>(