Lifetime issue not general enough.

src/parser/nom_context.rs

@@ -49,6 +49,15 @@ impl<'r> NomContext<'r> {
         }
     }
 
+    pub fn without_bold(&self, other: MatcherRef) -> NomContext {
+        NomContext {
+            parent: Some(&self),
+            fail_matcher: ChainBehavior::AndParent(Some(other)),
+            match_bold_allowed: false,
+            match_link_allowed: self.match_link_allowed,
+        }
+    }
+
     pub fn not_matching_fail<'s>(&self, i: &'s str) -> IResult<&'s str, (), VerboseError<&'s str>> {
         not(FailChecker::new(self))(i)
     }

src/parser/text_element_parser.rs

@@ -1,4 +1,7 @@
 //! A single element of text.
+use std::cell::RefCell;
+use std::rc::Rc;
+
 use crate::parser::parser_with_context::parser_with_context;
 use crate::parser::text::paragraph_end;
 
@@ -34,6 +37,11 @@ fn flat_text_element<'s, 'r>(i: &'s str, context: &'r NomContext) -> Res<&'s str
     ))(i)
 }
 
+fn flat_bold<'s, 'r>(i: &'s str, context: &'r NomContext) -> Res<&'s str, TextElement<'s>> {
+    let new_context = context.without_bold(Rc::new(RefCell::new(recognize(bold_end))));
+    todo!()
+}
+
 pub fn paragraph<'s, 'r>(
     i: &'s str,
     context: &'r NomContext,