fix long fixer docs (#4590)
Issue #14018: Backport OS X installer updates from 3.3.
Issue #14018: merge to 3.3
Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder.
Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder.
Merge heads
Merge heads
Null merge
Clean up escape-decode decoder tests.
Clean up escape-decode decoder tests.
Add tests for raw-unicode-escape codec.
Add tests for raw-unicode-escape codec.
Move NEWS entity from library to core section.
Move NEWS entity from library to core section.
Issue #16971: Fix a refleak in the charmap decoder.