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Mention in PROBLEMS the problems with fonts and Uniscribe

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* etc/PROBLEMS: Mention font-related problems with Uniscribe on
MS-Windows.  (Bug#39340)
This commit is contained in:
Eli Zaretskii 2020-09-20 14:08:35 +03:00
parent 082d8a21b1
commit f750def778
1 changed files with 13 additions and 0 deletions
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13
etc/PROBLEMS
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@ -918,6 +918,19 @@ index 5504171..431adf8 100644
If you can't modify that file directly, copy it to the directory
~/.m17n.d/ (create it if it doesn't exist), and apply the patch.
** On MS-Windows, some characters display as boxes with hex code.
Also, some characters could display with wrong fonts.
This can happen if Emacs was compiled without HarfBuzz support, and/or
if the HarfBuzz DLLs are not available at run time. Emacs will then
fall back to the Uniscribe as its shaping engine; Uniscribe was
deprecated by Microsoft, and sometimes fails to display correctly when
modern fonts are used, such as Noto Emoji or Ebrima.
The solution is to switch to a configuration that uses HarfBuzz as its
shaping engine, where these problems don't exist.
* Internationalization problems
** M-{ does not work on a Spanish PC keyboard.