[GRASS5] Severe bug in r.mapcalc!! [raghavan@media.osaka-cu.ac.jp: Bugreport GRASS 5]

Developers,

there is a severe bug in r.mapcalc...

-129 is treated as NULL!!

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GRASS:~ > r.mapcalc test=-129

EXECUTING test = ... 100%
CREATING SUPPORT FILES FOR test

GRASS:~ > d.mon x0
using default visual which is TrueColor
Visual is read-only or using a private colormap
ncolors: 32768
allocating memory...
Graphics driver [x0] started

GRASS:~ > d.rast test
GRASS:~ > d.what.rast

Buttons
Left: what's here
Right: quit

3569975(E) 5765075(N)
test in ambergau (Null)no data

Any ideas to fix this?

Markus