GNU bug report logs - #21526
24.5; prolog-mode: broken indentation for if-then-else construct

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Package: emacs;

Reported by: Markus Triska <triska <at> metalevel.at>

Date: Sun, 20 Sep 2015 16:21:01 UTC

Severity: minor

Found in version 24.5

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #74 received at 21526 <at> debbugs.gnu.org (full text, mbox):

From: Markus Triska <triska <at> metalevel.at>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 21526 <at> debbugs.gnu.org
Subject: Re: bug#21526: 24.5;
 prolog-mode: broken indentation for if-then-else construct
Date: Wed, 30 Sep 2015 20:03:32 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>>    test_predicate(c) :- !,
>>            test_goal1,
>>            test_goal2.
>
> Should work now.

Here are cases I found that still deviate from Stefan Bruda's version,
in case you are interested in fixing them. His version yields:

   my_nice_test(X) :- var(X), !,
           test_goal1,
           test_goal2.

   my_nice_test --> !,
           test_goal1,
           test_goal2.

whereas the current Emacs version yields:

   my_nice_test(X) :- var(X), !,
                      test_goal1,
                      test_goal2.

   my_nice_test --> !,
                    test_goal1,
                    test_goal2.

Notice that !/0 typically appears as the last goal on a line, but other
short goals often appear on the same line before !/0 in such patterns.

All the best,
Markus
This bug report was last modified 4 years and 327 days ago.

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