(ps-output "]"))))))
(ps-output " ] " (if (nth 3 composition) "RLC" "RBC") "\n"))
-(defun ps-mule-plot-string (from to &optional bg-color)
+(defun ps-mule-plot-string (from to &optional _bg-color)
"Generate PostScript code for plotting characters in the region FROM and TO.
Optional argument BG-COLOR is ignored.