The escape function no longer escapes \x00. It's not necessary.
Inline flags can now be turned off and apply to what follows.
Added \R to match line endings.
2023.10.3
Updated to Unicode 15.1.0.
2023.8.8
Git issue 508: Regex doesn't build using CPython main (3.13.0a0) Removed usage of _PyBytes_Join and did a little tidying of the code that makes the result string.
2023.6.3
Git issue 498: Conditional negative lookahead inside positive lookahead fails to match Conditional node needed an additional member that points to the true branch.