Index: openacs-4/packages/acs-content-repository/tcl/content-revision-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-content-repository/tcl/content-revision-procs.tcl,v
diff -u -r1.27 -r1.28
--- openacs-4/packages/acs-content-repository/tcl/content-revision-procs.tcl	7 Aug 2017 23:47:47 -0000	1.27
+++ openacs-4/packages/acs-content-repository/tcl/content-revision-procs.tcl	1 Oct 2017 12:16:04 -0000	1.28
@@ -201,7 +201,7 @@
     @error 
 } {
 
-     switch $storage_type {
+     switch -- $storage_type {
 	file {
 	    if {$tmp_filename eq ""} {
                 set filename [cr_create_content_file_from_string $item_id $revision_id $content]