Index: openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl,v
diff -u -N -r1.138 -r1.139
--- openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	17 May 2018 08:21:11 -0000	1.138
+++ openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	22 May 2018 08:30:46 -0000	1.139
@@ -694,7 +694,7 @@
 
     if { [lindex [ad_conn urlv] end] eq "" } {
         ad_conn -set urlc [expr {[ad_conn urlc] - 1}]
-        ad_conn -set urlv [lrange [ad_conn urlv] 0 [expr {[llength [ad_conn urlv]] - 2}] ]
+        ad_conn -set urlv [lrange [ad_conn urlv] 0 end-1]
     }
     rp_debug -ns_log_level debug -debug t "rp_filter: setting up request: [ns_conn method] [ns_conn url] [ns_conn query]"