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I Just Wanted Emacs to Look Nice — Using 24-Bit Color in Terminals (chadaustin.me)

submitted 9 months ago by brie@beehaw.org to c/technology@beehaw.org

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TL;DR: Explanation of why the escape sequence for 256 color and 24 bit color modes are weird and can vary. \E[38:5:_n_m is technically the correct form for 256 color, but \E[38;5;_n_m is the form terminals more widely support.

I saw this on Hacker News today, and found the article interesting because I'd recently seen a Terminal Guide page on 256 color that mentioned how terminals support different versions of the codes (with semicolons being the most compatible). Semi-relatedly there's XTerm's criticism of Gnome Terminal and VTE (which is talks about compatibility in general).

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[–] deegeese@sopuli.xyz 8 points 9 months ago

I could feel my grey beard growing long as I read that.