Combining Marks and Variation Selectors

Roozbeh Pournader via Unicode unicode at
Sat Feb 1 19:59:57 CST 2020

They are actually allowed on combining marks of ccc=0. We even define one
such variation sequence for Myanmar, IIRC.

On Sat, Feb 1, 2020, 2:12 PM Richard Wordingham via Unicode <
unicode at> wrote:

> Why are variation selectors not allowed for combining marks?  I can see
> a reason for them not being allowed on characters with non-zero
> canonical combining classes, but not for them being prohibited for
> combining marks that are starters, i.e. have ccc=0.
> Richard.
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