[Groff] pic: "shaded" problem

[Ole Schoening]

Dear all,

the following:

.PS
.fam H
boxrad=0.15
box shaded "green" width 1.5  "test test" ;
.PE

produces no shaded green box (with round corners) but a "normal" one
without special colours. If I omit the "boxrad" command, then the
box will be shaded correctly. Typing "box rad 0.15 shaded ..."
delivers the unwanted result as well. I got these results with groff
18.1 under cygwin as well as with gr0ff 19.2 for windows. Does
anybody have a solution for this problem, how to get round corners
together with colours?

Thanks in advance,

Ole