[issue14260] re.groupindex available for modification and continues to work, having incorrect data inside it

[Éric Araujo]

Éric Araujo added the comment:

I propose using a MappingProxy type in 3.4 and add an example to the docs for stable versions.

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resolution: invalid -> 
stage:  -> needs patch
versions: +Python 2.7, Python 3.3, Python 3.4

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