> Date: Sat, 9 Feb 2019 18:42:52 +0100 > Cc: unicode Unicode Discussion <[email protected]> > From: Egmont Koblinger via Unicode <[email protected]> > > What if harfbuzz tells us that the overall width for rendering a > particular grapheme cluster is significantly different from its > designated area (the number of character cells [wcswidth()] > multiplied by the width of each)?
You need to use what HarfBuzz tells you _instead_ of wcswidth. It is in general wrong to use wcswidth or anything similar when you use a shaping engine and support complex script shaping.
