[PATCH] emacs: Make first documentation line distinct for "a" and "x" commands.

[David Bremner]

Örjan Ekeberg <ekeberg at kth.se> writes:

> Since only the first line of the documentation is shown by the
> help command, it is confusing when "x" and "a" seem to have the same
> binding in show-mode.  This commit makes the two function documentations
> first lines different and (hopefully) clearer.

Pushed, sorry it took so long,

d