prod I posted this week ago, but haven't seen any comments. Issue
416670 is probably the most relevent ticket.
The buggy changeset I mention, 38430 on the release24-maint branch is
one that had been forward and back-ported for a while. I haven't found
the motivation for that change, but it hasn't
In version of Python prior to 2.5, it would appear that deepcopying
compiled regular expressions worked by accident:
2.4:
copy.deepcopy(re.compile(''))
_sre.SRE_Pattern object at 0xb7d53ef0
2.5:
copy.deepcopy(re.compile(''))
Traceback (most recent call last):
File
