Eli-Zaretskii

If this is used to communicate between two instances of async.el, then I recommend `utf-8-emacs-unix`. That is the encoding used by Emacs internally, and it can represent any character that...

> am I correct in understanding that utf-8-auto now detects EOL as well as BOM? Yes. It always detected EOL, btw. The fix in Emacs 29 was to correct the...

Sounds like some face has an invalid definition. I suggest to find out which face(s) are being merged here; the test case and the backtrace don't give enough info to...

Actually, I see `maybe_produce_line_number` in the backtrace, so it sounds like the offending face is probably `line-number`. Can the OP please show the definition of that face in the session...

If this is the recipe for reproducing the 100% CPU problem, then I cannot reproduce that. I guess it could be macOS-specific?

Where did you see the above idiom in any code involved in the issue discussed here?