bug#18109: 24.4.50; `compilation-error-regexp-alist-alist': wrong regexp for Maven

[Mattias Engdegård]

5 dec. 2020 kl. 23.21 skrev Filipp Gunbin <fgunbin@fastmail.fm>:

> Now the regexp seems to catch both prefixed and non-prefixed messages,
> what else should be resolved here?

Ah, yes. Apart from the examples in compilation.txt, I could not find any 
evidence for non-prefixed messages ever being emitted. Since I'm not a Maven 
user myself, it would be useful to know if the non-prefixed example was just an 
oversight or an actual occurrence.

It is not a major problem but I like doing a proper work. Having patterns that 
match more than their strict minimum can be troublesome for two reasons: a 
regexp may accidentally catch a message intended for another pattern, and it 
may slow down message matching. Both have been issues several times in the 
past, which is why I'm wary of having too-loose regexps in the list.