[GRASS5] [bug #1356] (grass) d.mon crappy return codes

this bug's URL: http://intevation.de/rt/webrt?serial_num=1356
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My makefile:
png:
  d.mon start=PNG
  d.mon select=PNG
  d.sites sitefile=v2
  d.mon stop=PNG

result:
make png
d.mon start=PNG
Error: no such monitor 'PNG'
No such monitor as 'PNG'
Problem selecting PNG. Will try once more
No such monitor as 'PNG'
d.mon select=PNG
No such monitor as 'PNG'
d.sites sitefile=v2
d.mon stop=PNG
Error - No such monitor as 'PNG'

i.e. it just keep on blundering ahead, errors or not, because d.mon's
crappy return codes. GRASS 5.0.0pre1 (May 2001)
--
http://jidanni.org/ Taiwan(04)25854780

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Subject: d.mon crappy return codes
From: Dan Jacobson <jidanni@dman.ddts.net>
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