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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Comment syntax
Date: Fri, 28 Jun 2019 08:37:06 -0400	[thread overview]
Message-ID: <jwvv9wpopjm.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: 8736ju1lot.fsf@gmail.com

> I am trying to write Emacs support for a major mode where * (an
> asterisk) starts a comment, but only if * is at the beginning of the
> line (comments started this way end at the end of the line). I've read
> through (info "(elisp) Syntax Flags") about how to support this but
> nothing there seems to help (unless I missed something, which is very
> possible.) Is there a way to get bol-* recognized as starting a comment?

You need to setup a syntax-propertize-function for that.

E.g.

    (setq-local syntax-propertize-function
        (syntax-propertize-rules ("^\\*" (0 "<"))))


        Stefan




  reply	other threads:[~2019-06-28 12:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28  2:35 Comment syntax Alex Branham
2019-06-28 12:37 ` Stefan Monnier [this message]
2019-06-28 13:20   ` Alex Branham

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