Index: ut_units.cpp
===================================================================
RCS file: /u2/cvsroot/abi/src/af/util/xp/ut_units.cpp,v
retrieving revision 1.28
diff -u -r1.28 ut_units.cpp
--- ut_units.cpp	2000/08/09 01:38:11	1.28
+++ ut_units.cpp	2000/08/22 12:49:17
@@ -272,6 +272,10 @@
 		return 0;
 
 	double f = UT_convertDimensionless(s);
+	
+	if (f == 0)
+	    return 0;
+	
 	const char *p = s;
 	while ((*p) && (isdigit(*p) || (*p == '-') || (*p == '.')))
 	{