On 23 Apr 2014, at 22:16, Mathias Bynens <[email protected]> wrote:

> Let’s say I’m writing a program that strips combining characters and grapheme 
> extenders from an input string.
> 
> For combining marks, I’m looking for any non-combining marks (e.g. `a`) 
> followed by one or more combining marks (e.g. `̃`), and then I remove 
> everything but the non-combining mark (e.g. leaving only `a`). Is this a 
> correct approach?
> 
> What should the approach be for grapheme extenders? Should the program only 
> look for `Grapheme_Base` characters followed by `Grapheme_Extend` characters 
> (which includes the code points in `Other_Grapheme_Extend`)?

The email subject should have been “Do `Grapheme_Extend` characters only apply 
to `Grapheme_Base`?” — sorry for the confusion.

Does anyone know the answer?
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