Revision 1915555

Merge r1912632 from trunk:

 * r1912632
   Fix `invalid escape sequence` in Python scripts to prevent many
   `SyntaxWarning`s since Python 3.12.
   Justification:
     Bare \ in regexps are SyntaxWarning as of Python 3.12, will be
     SyntaxError in a future release.
   Votes:
     +1: dsahlberg, futatuki, jun66j5