Index: openacs-4/packages/search/tcl/search-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/search/tcl/search-procs.tcl,v
diff -u -r1.48.2.1 -r1.48.2.2
--- openacs-4/packages/search/tcl/search-procs.tcl	12 Sep 2015 19:00:45 -0000	1.48.2.1
+++ openacs-4/packages/search/tcl/search-procs.tcl	27 Mar 2017 10:41:51 -0000	1.48.2.2
@@ -302,7 +302,7 @@
     #ns_log notice "search::content_filter txt len [string length $txt]"
 
     if {[info exists tmp_filename]} {
-	file delete $tmp_filename
+	file delete -- $tmp_filename
     }
 }