--- a/hacks/tessellimage.c
+++ b/hacks/tessellimage.c
@@ -507,15 +507,15 @@
       out[i].p = (n > 0
                   ? (XPoint *) calloc (out[i].npoints + 1, sizeof (*out[i].p))
                   : 0);
-//printf("%d: ", i);
+/*printf("%d: ", i);*/
       for (j = 0; j < out[i].npoints; j++)
         {
           ITRIANGLE *tt = &v[t->tri[j]];
           out[i].p[j].x = (p[tt->p1].x + p[tt->p2].x + p[tt->p3].x) / 3;
           out[i].p[j].y = (p[tt->p1].y + p[tt->p2].y + p[tt->p3].y) / 3;
-//printf(" [%d: %d %d]", j, out[i].p[j].x, out[i].p[j].y);
+/*printf(" [%d: %d %d]", j, out[i].p[j].x, out[i].p[j].y);*/
         }
-//printf("\n");
+/*printf("\n");*/
     }
 
   free (vert_to_tri);