g.region should set (top, bottom) from the 3d vector specified by vect=
|Reported by:||1gray||Owned by:|
It was [nntp://news.gmane.org/gmane.comp.gis.grass.devel/26187 reported]
vect= option doesn't set the (top,
bottom) boundaries from the vector's ones.
An (untested) patch is attached.