[issue28660] TextWrapper break_long_words=True, break_on_hyphens=True on long words

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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components: +Library (Lib)
nosy: +georg.brandl, serhiy.storchaka
type:  -> behavior
versions: +Python 3.5, Python 3.6, Python 3.7

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<http://bugs.python.org/issue28660>
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