Index: openacs-4/packages/tsearch2-driver/tcl/tsearch2-driver-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/tsearch2-driver/tcl/tsearch2-driver-procs.tcl,v
diff -u -r1.29.2.3 -r1.29.2.4
--- openacs-4/packages/tsearch2-driver/tcl/tsearch2-driver-procs.tcl	3 Aug 2014 10:57:10 -0000	1.29.2.3
+++ openacs-4/packages/tsearch2-driver/tcl/tsearch2-driver-procs.tcl	21 Aug 2014 11:12:40 -0000	1.29.2.4
@@ -271,8 +271,12 @@
     # remove empty ()
     regsub -all {\(\s*\)} $query {} query
 
-    # remove or at beginning of query 
+    # remove "or" at beginning of query 
     regsub -nocase "^or " $query {} query
+
+    # remove "not" at end of query 
+    regsub -nocase " not$" $query {} query
+
     # replace boolean words with boolean operators
     regsub -nocase "^not " $query {!} query
     set query [string map {" and " " & " " or " " | " " not " " ! "} " $query "]