[issue29133] Minor inaccuracy in shlex.shlex punctuation_chars example

[Marco Buttu]

Marco Buttu added the comment:

Here is a 3rd patch with the Berker's suggestion. I just limited the output to 79 characters per line, and made use of the +NORMALIZE_WHITESPACE option  (to normalize the newline inside the output).

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Added file: http://bugs.python.org/file46225/issue29133_3rd.patch

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