Re: `comment-start' is nil

[Juanma Barranquero]

On Wed, Mar 12, 2014 at 10:37 PM, lee <lee@yun.yagibdah.de> wrote:

> I´m using desktop-mode to restore the previous session when starting
> emacs.  For some buffers that are restored this way, I´m using a mode
> I´m working on.  This mode employs a function to search for a regex in
> particular buffers.  The regex involves `comment-start'.
>
> Unfortunately, at the time the function is running during start-up, the
> value of `comment-start' is nil.
>
>
>     (let ((end-marker (concat "^" comment-start 
> lsl-hi-lock-patterns-end-marker)))
>         (message "comment-start with %s is %s"
>            (buffer-name)
>            comment-start) ...)
>
>
> gives me messages like "comment-start with test-plane.fontify is nil".
> Calling the same function later works fine because `comment-start' isn´t
> nil anymore.

We'll need more information. It is a major mode or a minor mode? If a
minor, which major mode are these buffers? How it is your function run
during the startup? How does the function get the buffer to run into?
Etc, etc.

    J