bug#16744: 24.3.50; REGRESSION: C-h v does not show doc for `ediff-highlight-all-diffs'

[Eli Zaretskii]

> Date: Fri, 14 Feb 2014 02:53:31 -0500
> From: Michael Kifer <michael.kifer@stonybrook.edu>
> CC: "16744@debbugs.gnu.org" <16744@debbugs.gnu.org>
> 
> Strange. When I run it with .emacs, then
> 
> M-x describe-variable ediff-highlight-all-diffs
> 
> returns
> 
> Documentation:
> If nil, only the selected differences are highlighted.
> Otherwise, all difference regions are highlighted, but the selected 
> region is
> shown in brighter colors.
> 
> But if it is started with emacs -q then the documentation string is not 
> shown.

What is in your .emacs?

Anyway, can you explain why do we need _both_ defcustom and
ediff-defvar-local for the same variable?