[issue5902] Stricter codec names

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

What is the status of this.  Status=open and Resolution=rejected contradict each other.

This discussion is relevant for issue11303.  Currently alias lookup incurs huge performance penalty in some cases.

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nosy: +belopolsky

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5902>
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