diff --git a/src/parser/nom_context.rs b/src/parser/nom_context.rs
index 2572a19..65a9e9a 100644
--- a/src/parser/nom_context.rs
+++ b/src/parser/nom_context.rs
@@ -1,9 +1,12 @@
 use nom::branch::alt;
+use nom::combinator::recognize;
 use nom::error::VerboseError;
 use nom::IResult;
 use std::cell::RefCell;
 use std::rc::Rc;
 
+use super::text::bold_end;
+
 #[derive(Clone)]
 pub struct NomContext<F>
 where
@@ -38,17 +41,27 @@ where
         }
     }
 
-    // pub fn with_additional_fail_matcher<G, O>(self, additional_fail_matcher: G) -> NomContext<O>
-    // where
-    //     G: for<'g> FnMut(&'g str) -> IResult<&'g str, &'g str, VerboseError<&'g str>>,
-    //     G: Clone,
-    //     O: for<'o> FnMut(&'o str) -> IResult<&'o str, &'o str, VerboseError<&'o str>>,
-    //     O: Clone,
-    // {
-    //     NomContext {
-    //         fail_matcher: move |i| alt((additional_fail_matcher, self.fail_matcher))(i),
-    //         can_match_bold: self.can_match_bold,
-    //         can_match_link: self.can_match_link,
-    //     }
-    // }
+    pub fn with_additional_fail_matcher<G>(
+        self,
+        additional_fail_matcher: G,
+    ) -> NomContext<
+        impl Clone + for<'o> FnMut(&'o str) -> IResult<&'o str, &'o str, VerboseError<&'o str>>,
+    >
+    where
+        G: for<'g> FnMut(&'g str) -> IResult<&'g str, &'g str, VerboseError<&'g str>>,
+        G: Clone,
+    {
+        let mut old_fail_matcher_clone = self.fail_matcher.clone();
+        let mut new_context =
+            NomContext::new(move |i| alt((recognize(bold_end), &mut old_fail_matcher_clone))(i));
+        new_context.can_match_bold = self.can_match_bold;
+        new_context.can_match_link = self.can_match_link;
+
+        // NomContext {
+        //     fail_matcher: move |i| alt((additional_fail_matcher, &mut old_fail_matcher_clone))(i),
+        //     can_match_bold: self.can_match_bold,
+        //     can_match_link: self.can_match_link,
+        // }
+        new_context
+    }
 }