diff --git a/pd/src/g_canvas.c b/pd/src/g_canvas.c
index 91b3ad20e6861c9404dfbbc6de6ec58b06de0250..85215ab261c064442e3002d47ed8977294f8a312 100644
--- a/pd/src/g_canvas.c
+++ b/pd/src/g_canvas.c
@@ -567,6 +567,7 @@ t_glist *glist_addglist(t_glist *g, t_symbol *sym,
         pd_pushsym(&x->gl_pd);
     glist_add(g, &x->gl_gobj);
     if (!do_not_redraw) sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (long unsigned int)glist_getcanvas(g));
+    //fprintf(stderr,"    ... %f %f\n", x->gl_x1, x->gl_x2);
     return (x);
 }