Wordwrap X::Attribute::Regex message

src/core.c/Exception.pm6

@@ -1045,8 +1045,7 @@ my class X::Attribute::Undeclared is X::Undeclared {
 
 my class X::Attribute::Regex is X::Undeclared {
     method message() {
-        "Attribute $.symbol not available inside of a regex, since regexes are methods on Cursor.\n" ~
-            "Consider storing the attribute in a lexical, and using that in the regex.";
+        "Attribute '$.symbol' not available inside of a regex, since regexes are methods on the Cursor class. Consider storing the attribute in a lexical, and using that in the regex.".naive-word-wrapper
     }
 }