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A comment on Proving the Turing Completeness of Fonts. Parent comment

Re:Proving the Turing Completeness of Fonts by pcwalton on Monday March 11, 2019 @07:09PM (#19363780)
GSUB handling is done by a library called a text shaper. Examples of libraries that do shaping include the cross-platform HarfBuzz, Windows DirectWrite, and macOS Core Graphics/Core Text.
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Re:Proving the Turing Completeness of Fonts by benj111 on Tuesday March 12, 2019 @03:03AM (#19365980)
Thanks

So from what I understand these would be called from the UI libraries eg GTK in Linux land. I would assume window managers also, to deal with title bars.

I would further take from this that we shouldn't expect full Unicode support in virtual terminals (not emulators) in the future.....

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