Index: openacs-4/packages/acs-tcl/tcl/table-display-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/Attic/table-display-procs.tcl,v
diff -u -r1.20.8.4 -r1.20.8.5
--- openacs-4/packages/acs-tcl/tcl/table-display-procs.tcl	9 Sep 2013 16:44:26 -0000	1.20.8.4
+++ openacs-4/packages/acs-tcl/tcl/table-display-procs.tcl	14 Sep 2013 09:35:47 -0000	1.20.8.5
@@ -436,8 +436,8 @@
 	    # generate the row band color 
             if { $Tband_count >= $Trows_per_band } {
                 set Tband_count 0
-                set Tband_color [expr ($Tband_color + 1) % $Tn_bands ]
-                set Tband_class [expr ($Tband_class + 1) % $Tn_band_classes ]
+                set Tband_color [expr {($Tband_color + 1) % $Tn_bands} ]
+                set Tband_class [expr {($Tband_class + 1) % $Tn_band_classes} ]
             }
             # do this check since we would like the ability to band with
             # page background as well