gem and markex for SGI

[Mark Danks]

  The SGI ports of GEM 0.77 and MarkEx 0.22 are up.

http://www.danks.org/mark

The particle object doesn't work in the SGI version of GEM.  Sorry, it
should be in the next version (it doesn't do too much right now, so
don't worry).

Later, Mark

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-- Mark Danks
-- mdanks at stormfront.com
-- http://www.danks.org/mark
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