Fix: avoid crashes on non-breaking spaces in the text.

src/generation/utils.rs

@@ -3,10 +3,7 @@ use std::borrow::Cow;
 use regex::Regex;
 
 /// Checks if the provided word is a word that could be a list.
-/// Assumes the provided string is one word and doesn't have whitespace.
 pub fn is_list_word(word: &str) -> bool {
-  debug_assert!(!word.chars().any(|c| c.is_whitespace()));
-
   if word == "*" || word == "-" || word == "+" {
     true
   } else {

tests/specs/General/CharacterEscapes_All.txt

@@ -3,7 +3,11 @@
 
 And (\`) backticks and dollar signs (\$).
 
+Non-breaking spaces like this : : should not break.
+
 [expect]
 - **--allow-net=\<allow-net\>** Testing.
 
 And (\`) backticks and dollar signs (\$).
+
+Non-breaking spaces like this : : should not break.