On Wed, May 25, 2022 at 2:14 AM Samuel Sieb <samuel@xxxxxxxx> wrote:
A font viewer should only use the system font folders and any modern
font viewer will use fontconfig, which won't be looking in random
directories.
The fontconfig system has a well defined way to configure the directories
it searches, see "man 5 fonts.conf". I would not be surprised to find that
some applications add "random" entries to the fonts.conf directories. There
are also ways to specify a user font directory. Some linux distros provide
this "out of the iso".
The font conf files can define "aliases" so that a document that requests a
given font may use a "similar" substitute. This generally works for legacy
documents in Western languages, but there have been instances of people
adding new glyphs to support for other languages without changing the name
of the font.
George N. White III
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