Raku: fix quote-words and more
Operator handling has been reviewed to determine if < is an operator or a term
$i < 1
$i + < 1
^ string delimiter
- fix
\cNNNN
- fix range operator in a regex
- fix some pattern in regex
- fix adverb argument
- ....
New highlighting:
- Symbol
- Hyper Operator
- Member Operator
- Number Suffix
- Pattern Bracket
- Pattern Delimiter
- Pattern Named Capture