here's a better code-comment for draw_bezier_sandwich

[Mark Polesky]

can someone check this and add it to the source?
Thanks.
- Mark

proposed change for:
music-drawing-routines.ps
line 126
_________________________

% this is for drawing slurs and barre-indicators.
/draw_bezier_sandwich % x5 y5 x6 y6 x7 y7
                      % x4 y4
                      % x1 y1 x2 y2 x3 y3
                      % x0 y0
                      % linewidth draw_bezier_sandwich
{
  gsave
  currentpoint translate
  % round ending and round beginning
  1 setlinejoin 1 setlinecap
  setlinewidth
  moveto
  curveto
  lineto
  curveto
  closepath
  stroke_and_fill
  grestore
} bind def