Re: [Emacs-diffs] /srv/bzr/emacs/trunk r105470: Improve documentation of `special' modes.

[Stefan Monnier <monnier@iro.umontreal.ca>]

>> > I don't actually have a good understanding of why would a mode want to
>> > behave like that.  The above explanation is purely phenomenological,
>> > so if I would need to determine whether my mode needs it, I'd be
>> > probably stumped.  I don't really see the connection between
>> > "specially-prepared" and "don't use me as the default mode".
>> > Can you explain the considerations for when to use this feature?  I
>> > will then clarify this in the manual.
>> Indeed, I'm just as lost as you are :-(
>> For that reason, I'd be happy to get rid of this "use as the default
>> mode" thingy.  I.e. we should simply never inherit the major mode of new
>> buffers from the current buffer (if the global value of major-mode is
>> nil, then the default major-mode when creating a new buffer will be
>> fundamental-mode, and that's it).
> Are we sure the nil-means-use-current-buffer-major-mode feature is not
> used too much to get rid of it?

I think it's very rarely used by Elisp code.  It might be used by a few
rare users as well.

> And if we do that, how would a Lisp program specify that the major
> mode of the current buffer is to be used for a newly created buffer?

By calling that major mode in the new buffer?


        Stefan