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bug#39595: #39595: M-x compile still very line-length weak


From: Mattias Engdegård
Subject: bug#39595: #39595: M-x compile still very line-length weak
Date: Fri, 14 Feb 2020 23:47:43 +0100

14 feb. 2020 kl. 18.00 skrev Eli Zaretskii <address@hidden>:

> Is there some forum where the relevant people could be asked about
> this?

Not sure where to go for that. The problem is really in Emacs's hacky 
implementation: when 'omake' is included in compilation-error-regexp-alist, 
many other regexps are rewritten in a way that makes them potentially slower. 
This is why it's not an ideal feature to have enabled by default.

Attached are two patches: one that anchors the regexp for Maven, and one that 
speeds up 'msft' and 'watcom' by eliminating the same 
repetition-after-repetition flaw in each (not much different from those found 
by the latest relint/xr scan posted to emacs-devel).

Attachment: 0001-Speed-up-maven-compilation-error-message-regexp.patch
Description: Binary data

Attachment: 0002-Speed-up-msft-and-watcom-compilation-error-regexps.patch
Description: Binary data


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