[issue30717] str.center() is not unicode aware

[Steven D'Aprano]

Steven D'Aprano added the comment:

Thank you, but I cannot review your C code.

Can you start by telling us what the two functions:

unicodedata.grapheme_cluster_break()
unicodedata.break_graphemes()

take as arguments, and what they return? If we were to call 
help(function), what would we see?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30717>
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