From: Alex <agrambot@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: alex.branham@gmail.com, 34858@debbugs.gnu.org
Subject: bug#34858: indent-relative called with prefix calls tab-to-tab-stop
Date: Thu, 14 Mar 2019 12:57:08 -0600 [thread overview]
Message-ID: <87k1h15lob.fsf@gmail.com> (raw)
In-Reply-To: <83tvg51ghz.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 14 Mar 2019 20:02:32 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Alex <agrambot@gmail.com>
>> Cc: Alex Branham <alex.branham@gmail.com>, 34858@debbugs.gnu.org
>> Date: Thu, 14 Mar 2019 10:45:32 -0600
>> >
>> > I think this is a documentation bug, as it doesn't describe the
>> > special case of "no previous nonblank line".
>>
>> I believe that the case of "no previous nonblank line" could be
>> considered as there being a single indent point at column 0, so if
>> FIRST-ONLY is non-nil, then `tab-to-tab-stop' shouldn't be called. How
>> about the following patch instead?
>
> I don't understand what you are saying here. The doc string says "no
> indent point _beyond_" the column where point starts, so assuming a
> single indent point at column zero doesn't change anything.
Sorry, I wasn't clear. I meant that the special case here could be
considered (trivially) equivalent to the case where the previous
non-blank line has a single indent point at column zero, and therefore
should be treated equivalently when FIRST-ONLY is non-nil
(`tab-to-tab-stop` should not be called if on or past the first indent
point, i.e., column 0).
The usage of `beyond' does not change the behaviour when the starting
column is on the first indent point, which outside of this special case
is doing nothing. Specifically, the `indent' branch of the cond is
normally executed when FIRST-ONLY is non-nil because `indent' is set
within the `re-search-backward' conditional to be equal to the starting
column; however, in this special case, `re-search-backward' returns nil
and so `indent' remains nil. My patch covers this case by also checking
for FIRST-ONLY in the cond.
next prev parent reply other threads:[~2019-03-14 18:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 15:35 bug#34858: indent-relative called with prefix calls tab-to-tab-stop Alex Branham
2019-03-14 16:00 ` Eli Zaretskii
2019-03-14 16:17 ` Alex Branham
2019-03-20 20:23 ` Filipp Gunbin
2019-03-25 23:06 ` Alex Branham
2019-03-26 15:39 ` Eli Zaretskii
2019-03-26 15:42 ` Alex Branham
2019-03-26 16:47 ` Eli Zaretskii
2019-04-02 0:11 ` Basil L. Contovounesios
2019-04-02 14:40 ` Eli Zaretskii
2019-04-03 17:12 ` Basil L. Contovounesios
2019-04-06 0:52 ` Alex Branham
2019-03-14 16:45 ` Alex
2019-03-14 18:02 ` Eli Zaretskii
2019-03-14 18:57 ` Alex [this message]
2019-03-14 20:18 ` Eli Zaretskii
2019-03-14 21:27 ` Alex
2019-03-15 4:52 ` Eli Zaretskii
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