diff --git a/src/parser/nom_context.rs b/src/parser/nom_context.rs
index 7b302af..501a1ab 100644
--- a/src/parser/nom_context.rs
+++ b/src/parser/nom_context.rs
@@ -36,4 +36,21 @@ where
             can_match_link: true,
         }
     }
+
+    pub fn with_additional_fail_matcher<G>(
+        self,
+        additional_fail_matcher: G,
+    ) -> NomContext<impl (for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>)>
+    where
+        G: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>,
+        G: Clone,
+        // O: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>,
+        // O: Clone,
+    {
+        NomContext {
+            fail_matcher: alt((additional_fail_matcher, self.fail_matcher)),
+            can_match_bold: self.can_match_bold,
+            can_match_link: self.can_match_link,
+        }
+    }
 }