+1 for "transient".


On 22 December 2013 02:36, Chong Yidong <cyd@gnu.org> wrote:

> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> This function, new in Emacs 24.4, seems to have nothing to do with
> >> overlays in the usual Emacs sense.  So it's a bad name.
> >>
> >> How about renaming it to `set-transient-keymap'?
> >
> > 'set-temporary-overriding-map', perhaps?
>
> This might be confusing, since overriding-local-map takes precedence
> over the temporary map.
>
> The reason I think "transient" is a good term to use is that we already
> use that word in Emacs in `transient-mode-map' to mean the same sort of
> behavior: a mode of operation which features disappears after doing
> something, returning you to the previous behavior.  (We also use the
> word "electric" similarly, but that is a lot more cryptic.)
>
>