Richard Stallman wrote:
>     A little milder suggestion just because it is close to X-max: How about 
>     adding a link that loads the library, something like replacing
> 
>       [Arg list not available until function definition is loaded.]
> 
>     with
> 
>       [Arg list not available, _click to load function library_.]
> 
> That would be an ok feature, since it would not do anything automatically.

I forgot this, here is a path for it. Could someone please look at it 
and install it if it looks ok?

(The link created does not work using mouse-1 on w32, but that is AFAIK 
a bug in Emacs. Or did I misunderstand something there?)