[issue21999] shlex: bug in posix mode handling of empty strings

[Roundup Robot]

Roundup Robot added the comment:

New changeset 4f02ad46a0a8 by Vinay Sajip in branch '3.5':
Closes #21999: Handled empty strings correctly when in POSIX mode.
https://hg.python.org/cpython/rev/4f02ad46a0a8

New changeset a8e74448678c by Vinay Sajip in branch 'default':
Closes #21999: (Empty) merge from 3.5.
https://hg.python.org/cpython/rev/a8e74448678c

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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<http://bugs.python.org/issue21999>
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