Re: Reading major-mode name via completion?

[Stephen Leake]

Stefan Monnier <address@hidden> writes:

>> Is there a completion table that already exists in emacs that one
>> could pass to completing-read for reading in a major-mode name?
>
> You might like to look at `customize-mode' which seems to provide
> that completion.

That essentially does:

(completing-read "prompt" obarray 'custom-group-of-mode ...)

`custom-group-of-mode' is used as the predicate in the completion; it
returns non-nil if the symbol has a custom group.

So this assumes all major modes have custom groups, which is only
approximately true.


-- 
-- Stephe