\dashbox
Draws a box with a dashed line. Synopsis:
\dashbox{dlen}(rwidth,rheight)[pos]{text}
\dashbox
creates a dashed rectangle around text in a
picture
environment. Dashes are dlen units long, and the
rectangle has overall width rwidth and height rheight.
The text is positioned at optional pos.
A dashed box looks best when the rwidth
and rheight
are
multiples of the dlen
.