--- openMotif-2.2.3/lib/Xm/List.c.vizcount	2002-01-10 21:56:41.000000000 +0100

+++ openMotif-2.2.3/lib/Xm/List.c	2005-01-04 11:45:38.046987886 +0100

@@ -1432,8 +1432,11 @@

 	lineheight = 1;

     }

-  viz = ((int)(listheight + lw->list.spacing) /

-	 (int)(lineheight + lw->list.spacing));

+  if (lineheight + lw->list.spacing != 0)

+    viz = ((int)(listheight + lw->list.spacing) /

+	   (int)(lineheight + lw->list.spacing));

+  else

+    viz = (int)(listheight + lw->list.spacing);

   if (!viz)

     viz++;			/* Always have at least one item visible */