[racket] DRRacket right-click menu fragility in Linux.

I've pushed a fix to this. Thanks to Matthew for looking into it and
sorting it out and sorry for the delay.

Robby

On Thu, Nov 1, 2012 at 3:32 PM, Ray Racine <ray.racine at gmail.com> wrote:
> When editing racket code in DR the right-click menu is very fragile on Linux
> (Ubuntu 12.10).  Upon right-clicking the menu pops up, but more often then
> not quite promptly vanishes.  I can't pin down a repeatable set of
> conditions.
>
> Sometimes I can't get it to stay open at all, other times if I right-click,
> pop the menu and make an effort not to move the cursor for a full second or
> two and then carefully move the cursor to the desired menu option I'm OK.
> But this technique is problematic in success.
>
> I did a compare and contrast with right-click menus in Chrome and there is a
> noticeable difference in the stability.
>
> Ray
>
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