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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Alan Mackenzie <acm@muc.de>
Cc: 24767@debbugs.gnu.org
Subject: bug#24767: jgraph comments not recognized any more
Date: Tue, 25 Oct 2016 09:52:28 -0400	[thread overview]
Message-ID: <jwva8dsbktv.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <20161024193451.GA4544@acm.fritz.box> (Alan Mackenzie's message of "Mon, 24 Oct 2016 19:34:51 +0000")

> Suppose the jgraph buffer contains:
>
>     he(*llo*)
>
> .  Is this supposed to analyse as the symbol "he" followed by a comment,
> or should it be the symbol "he(*llo*)"?

Good question.  To the extent that src/syntax.c shouldn't be specific to
jgraph-mode, the answer shouldn't depend on the choice made by
Jgraph's author.

> Currently, even Emacs-25 doesn't recognise the "(*llo*)" as a comment.

I think it's good enough to preserve backward compatibility, then.

> It seems to me more likely that the comment should be recognised, but
> I don't know jgraph.

To choose which of the two behavior is desired, the major mode author
can use syntax-propertize to catch this rare corner case anyway.

> Maybe the solution (in master) would be to add the checking of the
> comment flags into this subsidiary loop.

Let's not worry about it.


        Stefan





  reply	other threads:[~2016-10-25 13:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-22 21:24 bug#24767: jgraph comments not recognized any more Stefan Monnier
2016-10-23  6:17 ` Eli Zaretskii
2016-10-23 15:34   ` Alan Mackenzie
2016-10-24 19:34 ` Alan Mackenzie
2016-10-25 13:52   ` Stefan Monnier [this message]
2016-10-29 11:02     ` Alan Mackenzie
2016-10-29 15:12       ` Stefan Monnier
2016-10-30 17:37         ` Alan Mackenzie

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