bpo-30754: Document textwrap.dedent blank line behavior. (GH-14469)
* Added documentation for textwrap.dedent behavior. * Remove an obsolete note about pre-2.5 behavior from the docstring.
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@ -77,6 +77,9 @@ functions should be good enough; otherwise, you should use an instance of
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equal: the lines ``" hello"`` and ``"\thello"`` are considered to have no
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common leading whitespace.
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Lines containing only whitespace are ignored in the input and normalized to a
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single newline character in the output.
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For example::
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def test():
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@ -420,9 +420,9 @@ def dedent(text):
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Note that tabs and spaces are both treated as whitespace, but they
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are not equal: the lines " hello" and "\\thello" are
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considered to have no common leading whitespace. (This behaviour is
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new in Python 2.5; older versions of this module incorrectly
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expanded tabs before searching for common leading whitespace.)
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considered to have no common leading whitespace.
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Entirely blank lines are normalized to a newline character.
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"""
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# Look for the longest leading string of spaces and tabs common to
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# all lines.
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