Kovid Goyal e45697f78a Fix a regression that broke rendering of unicode regional indicators ...

At some point, unicode regional indicators became combining chars in the
unicode standard, which broke the handling of them in draw_codepoint().
The fix has the added advantage of improving performance in the common
case by only checking for combining chars. The flag check happens only
if the first check matches.

Fixes #4407

2021-12-31 09:28:47 +05:30

33 KiB

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