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Re: \w += \p{join_control}

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From:
Karl Williamson
Date:
July 26, 2012 09:54
Subject:
Re: \w += \p{join_control}
Message ID:
501175EF.6040207@khwilliamson.com
On 03/27/2012 02:36 PM, Tom Christiansen wrote:
> I notice in the proposed tr18 update at
>
>      http://unicode.org/reports/tr18/proposed.html#Compatibility_Properties
>
> That they've again diddled the \p{word} property for \w; they've
> added \p{Join_Control} to the set of what goes into that
> particular derived property.  That's just these two code points:
>
>      U+0200C  -- GC=Cf SC=Inherited    ZERO WIDTH NON-JOINER
>      U+0200D  -- GC=Cf SC=Inherited    ZERO WIDTH JOINER
>
> This makes sense because those are two (non-Mark!) Grapheme_Extend characters,
> which may in theory be needed for composing identifiers in certain scripts
> (Indic, perhaps).
>
> --tom
>

Now in blead via commit 7a4d6ad6921760cfbf05a181861e2cddaf121a45

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