bug#30449: imenu contains redundant '*Rescan*' item with auto refresh

[Lars Ingebrigtsen]

Matthew Newton <matt@mnewton.com> writes:

> I don’t know the codebase at all and I just spent a couple minutes looking at 
> it. But shouldn’t imenu--make-index-alist always return a list? So the last 
> lines would be:
>
> (if imenu-auto-rescan
>       imenu--index-alist
>     ;; Add a rescan option to the index.
>     (cons imenu--rescan-item imenu--index-alist))

Yes, that looks like the correct fix.  I've now applied it to the Emacs
trunk.

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   bloggy blog: http://lars.ingebrigtsen.no