[petsc-dev] Use of the DISPLAY environment variable

[Jed Brown]

On Sun, 29 Aug 2010 15:42:31 -0500 (CDT), Satish Balay <balay at mcs.anl.gov> wrote:
> Yes - I like this change [and also remove all the extra stuff] in this
> routine.
> 
> It  was  tailored for one type of setup that probbly doesn't exist anymore.

I just pushed 85deb9847106 which I think is the right amount of "smart",
and should just work for all the common cases.

Jed