change font size

hpgl.js

@@ -62,7 +62,7 @@ function rectangle(width, height) {
 }
 
 function label(string) {
-  return `DT$,0;SI0.5,0.8;LB${string}$;`;
+  return `DT$,0;SI0.2,0.3;LB${string}$;`;
 }