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bug#51437: 29.0.50; The annotated example of a complete working Flymake
From: |
Rudolf Adamkovič |
Subject: |
bug#51437: 29.0.50; The annotated example of a complete working Flymake backend does not work with narrowed buffers |
Date: |
Sat, 30 Oct 2021 23:15:14 +0200 |
João Távora <joaotavora@gmail.com> writes:
> I can't test right now, but maybe Rudolf can. If it works then
> I'd say commit it.
The patch fixes the errors, but it also causes troubles. Say I use Flymake to
check on my English grammar, and say I have 10 errors in my text. I narrow down
to a part with 5 errors, fix them, write some new text, and after a while, I
widen the buffer. I look through my final text, see that Flymake reports 0
errors, and submit my work to someone. Well, I submitted 5 errors, because
Flymake did not re-check when I widened the buffer. Further, Flymake might
report incorrect data on narrow. In the example above, it would have said 10
errors after narrowing and then 5 for the same narrowed content on the next
re-check. Thus, we should either always check the entire content of the buffer,
or we should recheck on narrow and widen, potentially wasting bandwidth for
online checks and the like.
Rudy
--
"'Contrariwise,' continued Tweedledee, 'if it was so, it might be; and if it
were so, it would be; but as it isn't, it ain't. That's logic.'" -- Lewis
Carroll, Through the Looking Glass
Rudolf Adamkovič <salutis@me.com>
Studenohorská 25
84103 Bratislava
Slovakia
[he/him]