Subject: Re: bug#30291: Acknowledgement (25.2; "ubuntu mono font" and "query-replace" (twice) hangs emacs)

From: Lars Ingebrigtsen <[email-masked]>
Date: Tue, 17 Apr 2018 22:01:27 +0200

Bill Evans <[email-masked]> writes:

> Further information, as mentioned in a comment on StackOverflow
> (https://emacs.stackexchange.com/questions/38449/ubuntu-mono-font-hanging-emacs?noredirect=1#comment60603_38449):
>
> Changing `query-replace-from-to-separator` to something trivial such
> as " -> " also fixes the problem. This suggests that there is (1)
> likely something "different" with Ubuntu Mono's interpretation of the
> right-arrow character, and (2) emacs is not dealing well with that
> different-ness.

Is `query-replace' necessary to trigger the bug, or does evaling

(message "%s" query-replace-from-to-separator)

a couple of times also hang Emacs?

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   bloggy blog: http://lars.ingebrigtsen.no