Unicode regular expressions -- buggy?

[Fredrik Lundh]

Christopher Subich wrote:

> I don't think the python regular expression module correctly handles
> combining marks; it gives inconsistent results between equivalent forms
> of some regular expressions:

> Is this a limitation-by-design, or a bug?

limitation by design.  if you want correct results, make sure to use
early normalization everywhere.

cf. http://www.w3.org/TR/charmod-norm/

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