Certain drawing functions can draw either an area or the outline of that area. This is controlled by the
keyword argument to these functions. If the value is
(the default), then the function paints the entire area. If the value is
, then the function outlines the area under the control of the line-style drawing option.
keyword argument is not a drawing option and cannot be specified to
The following functions have a
Common Lisp Interface Manager 2.0 User's Guide - 7 Aug 2017