While using Firefox or Chrome to do Khan Academy I see boxes with hex numbers inside them in place of math symbols etc.
Debian GNU/Linux 11 (bullseye)
Gnome 3.38.5
X11
Radeon RX 570 Series (POLARIS10, DRM 3.40.0, 5.10.0-21-amd64, LLVM 11.0.1)
Thx
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[Software] Boxes with Hex numbers for characters?
- kent_dorfman766
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Re: [Software] Boxes with Hex numbers for characters?
they are unicode codepoints for which loaded font has no glyph. research unicode and utf-8.