diff -r 7d514b56b603 doc/interpreter/geometryimages.m
--- a/doc/interpreter/geometryimages.m	Sat Dec 19 21:57:10 2009 -0500
+++ b/doc/interpreter/geometryimages.m	Sun Dec 20 14:24:50 2009 -0500
@@ -129,6 +129,11 @@
 endfunction
 
 function sombreroimage (nm, typ)
+  if (strcmp (typ, "eps"))
+    d_typ = "-depsc2";
+  else
+    d_typ = cstrcat ("-d", typ);
+  endif
   if (strcmp (typ, "txt"))
     fid = fopen (sprintf ("%s.txt", nm), "wt");
     fputs (fid, "+-----------------------------+\n");