Function: plotlinetype
Section: graphic
C-Name: plotlinetype
Prototype: vLL
Obsolete: 2007-05-11
Help: plotlinetype(w,type): this function is obsolete; no graphing engine
 implement this functionality.
Doc: This function is obsolete and currently a no-op.

 Change the type of lines subsequently plotted in rectwindow $w$.
 \var{type} $-2$ corresponds to frames, $-1$ to axes, larger values may
 correspond to something else. $w = -1$ changes highlevel plotting.
