Re: Comment syntax

[Stefan Monnier]

> 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