[GRASS5] [bug #896] (grass) d.area documentation for catnum options needs update

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this bug's URL: http://intevation.de/rt/webrt?serial_num=896
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Subject: d.area documentation for catnum options needs update

Platform: Linux/Intel
Linux distro: Debian
linux cpu: Intel (i486, i586, pentium ...)
Xwindows version: Xfree 4.0.x
Xwindows manager: WindowMaker
TclTk version: tcl/tk 8.2
grass downloaded at: Trento site
grass binary for platform: I compiled the sources myself
grass sources source: GRASS 5.0.0pre3
c compiler name: gcc

When trying to enter more than one catnum in d.area (d.area map=in catnum=value1, value2), the entire list needs to be quoted (catnum='value1, value2) or otherwise the program rejects all cats other than the first. This should at least be documented.

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