alt Hacker NewsClaude has surprisingly good knowledge of X11 protocol.
The other day, colleague showed me a (pretty basic) terminal emulator written in one-shot by Opus. Kicker is - that was compiled to a 30 KB static binary. That's right. No libX11, no libXfont, not even libc.
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amszmidt • today at 8:10 PM
Only because the X Window System is very heavily documented, e.g., in the excellent "The Definitive Guides to the X Window System Series".
Yeah, I've had it work on an X11 server using a Ruby X11 protocol implementation instead of libX11, and it just rushed ahead and added support for a bunch of missing requests and responses. None of that is hard - it's all very well documented - but it's tedious.
My terminal emulator using the same binding also started out hand-written but Claude overhauled that too recently and it knows vtxx escape codes far better than me too.