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From: John Maddock (john_at_[hidden])
Date: 2007-05-02 12:51:05

Lorenzo Bettini wrote:
>>> Ps Open Punctuation
>>> Pe Close Punctuation
>>> and I thought they might be related (by the way, I actually did not
>>> understand what they're for, since there's no example).
>> [[:Ps:]] matches any opening punctuation
>> [[:Pe:]] matches any closing punctuation
>> Exactly what that means is defined by the Unicode std, and these are
>> only supported by u32regex when Boost.Regex is built with ICU
>> support enabled.
> You mean something like ` and '?

No, I did a quick scan of unidata.txt and the only ASCII characters
classified as Ps are (, [ and {. The next one that shows up is "TIBETAN
MARK GUG RTAGS GYON" whatever that is :-)


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