Display Ghostscript-0.50

[Toshio Kuratomi <badger prtr-13 ucsc edu>]

Could someone import the 0.50 version of Display Ghpstscript into
the CVS repository?  I know that the 0.50 version isn't supposed to change
much from the 0.2x version, but for me the change was significant enough
to get one of my test programs working.

-Toshio
-- 
badger  \"The Difference between today and yesterday is not so much what has
@prtr-13 \ changed between then and now as what I hope to change by tomorrow."
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