Function: _def_graphcolors
Class: gp_default
Section: default
C-Name: sd_graphcolors
Prototype:
Help:
Doc: entries in the
 \tet{graphcolormap} that will be used to plot multi-curves. The successive
 curves are drawn in colors

 \kbd{graphcolormap[graphcolors[1]]}, \kbd{graphcolormap[graphcolors[2]]},
   \dots

 cycling when the \kbd{graphcolors} list is exhausted.

 The default value is \kbd{[4,5]}.
