bug#6956: 24.0.50; pasting mouse selection in other session pastes only first word

[Drew Adams]

> > Actually, I'm not sure it is fixed. I cannot really test 
> > with the latest build I have, because of bug #7055.
> > I get the impression that I still cannot paste the mouse
> > selection between sessions running different Emacs versions 
> > (part of the bug report). You might try that, if you are able
> > to use the latest Emacs version.
> 
> And the other Emacs version is what? 23.x?

As I said, I cannot really test this in the latest build I have.

But it needs to work across all Emacs releases.
Try it with Emacs 20, 21, 22, 23.