Terry J. Reedy added the comment:
I wrote a short script (already uploded) to differ 2.7 and 3.3 versions of an
idlelib file. Applied to PyShell, I see unnecessary differences, like 'a,b'
changed to 'a, b', or 'not a in b' changed to 'a not in b' only in 3.3
(probably for 3.0 when the necessar
New submission from Terry J. Reedy:
In a commiters-list discussion of heuristics for what patches can go into
non-Idle 2.7, Nick Coghlan offered "simplifying cross-version maintenance". (He
also mentioned "addressing issues that arise due to changes in the underlying
platforms", which is anoth