<APPLET CODE="GDView0.class" WIDTH=560 HEIGHT=540>
<param name=command0 value="read honbun">
<param name=honbun value="
   set O 0 0; color 255 255 255;  fcircle O 20;
   color 128 128 128; set A -2 2; set B -2 -2;
   copy AB DC; move DC 4 0; skigou ABCD ABCD;
   dline ABCDA;
   color 0 0 255; dline_inf AC;
   color 255 0 0; dline_hinf BD;
">
</APPLET>