[GRASS5] [bug #2790] (grass) r.bilinear result is rounded to .5, GUI and --help issues

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this bug's URL: http://intevation.de/rt/webrt?serial_num=2790
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Subject: r.bilinear result is rounded to .5, GUI and --help issues

Platform: GNU/Linux/i386
grass obtained from: Mirror of Trento site
grass binary for platform: Compiled from Sources
GRASS Version: grass57_exp_2004_11_13

1. Why does r.bilinear output rasters "rounded" to .5 instead of full floating point?

2. r.bilinear GUI - parameters names 'north' and 'east' missing.

3. Strange is how 'r.bilinear --help' explains what they are:

Parameters:
(...)
   north   (null)
    east   (null)

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