GNU bug report logs - #67390
28; shorthands-font-lock-shorthands assumes shorthand uses same separator

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Message #17 received at 67390 <at> debbugs.gnu.org (full text, mbox):

From: Joseph Turner <joseph <at> ushin.org>
To: João Távora <joaotavora <at> gmail.com>
Cc: 67390 <at> debbugs.gnu.org, Adam Porter <adam <at> alphapapa.net>,
 Jonas Bernoulli <jonas <at> bernoul.li>
Subject: Re: 28; shorthands-font-lock-shorthands assumes shorthand uses same
 separator
Date: Fri, 24 Nov 2023 19:26:54 -0800

[Message part 1 (text/plain, inline)]

João Távora <joaotavora <at> gmail.com> writes:

> On Fri, Nov 24, 2023 at 9:51 PM Jonas Bernoulli <jonas <at> bernoul.li> wrote:
>
>> Also, have you considered throwing in a
>>   (not (string-equal (match-string 1) sname))
>>
>> to avoid having to call `shorthands--mismatch-from-end' at all?
>
> Where and how this be thrown in?  How would you know what to highlight
> in the shorthand printed form?  There can be many shorthand prefixes
> in a given file.  But do show some code.

Please see the attached patch, inspired by Jonas's comment.

>> Maybe you have, but concluded it is cheaper to do a bit too much work
>> for non-shorthands, than to effectively repeat some work for shorthands.
>
> Maybe.  Not sure this is more work (string-equal must still compare
> every character right?), but, in summary, I'm not married to this
> implementation.  I somewhat appreciate that I could still read it
> after not having looked  at it for a couple years, but feel free to
> change it.

I haven't done any benchmarking - I'm curious to learn how to benchmark
font lock though!

Thanks!!

Joseph

[0001-Support-shorthand-prefixes-besides.patch (text/x-diff, attachment)]

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