[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace

[Raymond Hettinger]

Raymond Hettinger added the comment:

Confirmed that the test case fails on 2.7, 3.4, and 3.5

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priority: normal -> high
stage:  -> needs patch
versions: +Python 2.7, Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21827>
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