Index: openacs-4/packages/xowiki/tcl/xowiki-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-procs.tcl,v
diff -u -N -r1.542.2.122 -r1.542.2.123
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	15 Nov 2021 17:23:28 -0000	1.542.2.122
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	25 Nov 2021 14:53:55 -0000	1.542.2.123
@@ -4366,7 +4366,7 @@
           if {$op eq "contains"} {
             #make approximate query
             set lhs_var instance_attributes
-            set rhs $rhs_expr
+            set sql_rhs $rhs_expr
             lappend sql_clause [subst -nocommands $op_map($op,sql)]
           }
           set lhs_var "\[dict get \$__ia $lhs\]"