Issue #17051: Fix a memory leak in os.path.isdir()?on Windows. Patch by Robert Xiao.
Add Robert Xiao to Misc/ACKS for issue17051.
fix long fixer docs (#4590)
Issue #14018: Backport OS X installer updates from 3.3.
Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder.
Merge heads
Clean up escape-decode decoder tests.
Add tests for raw-unicode-escape codec.
Move NEWS entity from library to core section.