Why aren't the emoji modifiers GCB=Extend?
Mark Davis ☕️
mark at macchiato.com
Sat Jun 20 04:02:45 CDT 2015
On Sat, Jun 20, 2015 at 12:24 AM, Ken Whistler <kenwhistler at att.net> wrote:
> This results from the fact that the fallback behavior for the modifiers is
> simply as independent pictographic blorts, i.e. the color swatch images.
> That is also related to why they are treated as gc=Sk symbol modifiers,
> rather than as combining marks or format characters.
> If you *support* emoji modifier sequences, then yes, you should treat
> them as single grapheme clusters for editing -- but their behavior is
> more akin then to ligatures or conjuncts than to combining character
> sequences. You need additional, specific
> knowledge about these sequences -- it doesn't just fall out from a
> *default* implementation of UAX #29 rules for grapheme clusters.
Looks like this would be a good FAQ addition...
*— Il meglio è l’inimico del bene —*
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