[issue26526] In parsermodule.c, replace over 2KLOC of hand-crafted validation code, with a DFA

[Roundup Robot]

Roundup Robot added the comment:

New changeset 3275d4b584a2 by Benjamin Peterson in branch '3.6':
remove comment about updating the parser module; we do not need to do that anymore (#26526)
https://hg.python.org/cpython/rev/3275d4b584a2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26526>
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