middle-mouse button pasting broken by r271022

[Warren Block]

On Thu, 4 Sep 2014, Michiel Boland wrote:

> Hi.
> In 10.1-PRERELEASE r271022, if I select something in X, either by dragging or 
> using left click + right-click, and then paste the selection using the middle 
> mouse button, most of the times I get a continuous stream of bogus 'd' 
> keypress events. This does not happen in r271021.
>
> FWIW - it's still broken in r271098

Interesting, I've seen the repeated "d" as well.