[issue19511] lib2to3 Grammar file is no longer a Python 3 superset

[Nick Coghlan]

New submission from Nick Coghlan:

In writing some new fixers for issue 17823, I noticed the 2/3 bridge grammar in lib2to3 was never updated to handle "yield from".

This item is also missing from the checklist in the devguide:

http://docs.python.org/devguide/grammar.html

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components: Devguide, Library (Lib)
messages: 202265
nosy: ezio.melotti, ncoghlan
priority: low
severity: normal
status: open
title: lib2to3 Grammar file is no longer a Python 3 superset
type: behavior
versions: Python 3.3, Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19511>
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