Start of flat text element, not handling more complex types like bold and link.

src/parser/nom_context.rs

@@ -2,6 +2,7 @@ use std::cell::RefCell;
 use std::rc::Rc;
 
 use nom::branch::alt;
+use nom::combinator::not;
 use nom::error::VerboseError;
 use nom::IResult;
 use nom::Parser;
@@ -47,6 +48,10 @@ impl<'a> NomContext<'a> {
             can_match_link: self.can_match_link,
         }
     }
+
+    pub fn not_matching_fail<'s>(&self, i: &'s str) -> IResult<&'s str, (), VerboseError<&'s str>> {
+        not(FailChecker::new(self))(i)
+    }
 }
 
 impl<'a, 'b> Parser<&'b str, &'b str, VerboseError<&'b str>> for FailChecker<'a> {

src/parser/text_element_parser.rs

@@ -25,6 +25,14 @@ fn flat_text_element<'s, 'r>(
     i: &'s str,
     context: &'r mut NomContext,
 ) -> Res<&'s str, TextElement<'s>> {
-    // not(&mut context.fail_matcher)(i)?;
-    todo!()
+    context.not_matching_fail(i)?;
+
+    alt((
+        map(span, TextElement::Span),
+        map(symbol("*"), TextElement::Symbol),
+        map(symbol("["), TextElement::Symbol),
+        map(symbol("]"), TextElement::Symbol),
+        map(space, TextElement::Space),
+        map(line_break, TextElement::LineBreak),
+    ))(i)
 }