K 10
svn:author
V 4
bapt
K 8
svn:date
V 27
2013-06-14T12:47:19.484975Z
K 7
svn:log
V 285
Add a USES display to replace USE_DISPLAY.

as USE_DISPLAY it will handle the dependencies needed for a display. But it will also start and stop the Xfvb process during the requested phase the display it needed.

it takes 'install' as an implicit argument, but may also accept 'build'

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