Index: openacs-4/packages/xowiki/www/ckeditor-images/thumb-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/www/ckeditor-images/thumb-view.tcl,v
diff -u -r1.8 -r1.8.2.1
--- openacs-4/packages/xowiki/www/ckeditor-images/thumb-view.tcl	18 Dec 2018 16:13:04 -0000	1.8
+++ openacs-4/packages/xowiki/www/ckeditor-images/thumb-view.tcl	7 Feb 2020 08:44:05 -0000	1.8.2.1
@@ -1,12 +1,12 @@
 ad_page_contract {
-	
+
 } {
     {parent_id:naturalnum ""}
 } -validate {
     parent_id_exists -requires {parent_id} {
-	if {[xo::dc 0or1row object_exists "select item_id from cr_items where item_id = :parent_id"] == 0} {
-	    ad_complain "Specified item does not exist"
-	}
+        if {[xo::dc 0or1row object_exists "select item_id from cr_items where item_id = :parent_id"] == 0} {
+            ad_complain "Specified item does not exist"
+        }
     }
 }
 
@@ -18,20 +18,20 @@
   img_id
   image_p
 } sub_files get_children "
-select package_id,name,cr.title,cr.item_id,revision_id,mime_type, to_char(publish_date, 'yyyy-mm-dd, HH:MM') as date 
+select package_id,name,cr.title,cr.item_id,revision_id,mime_type, to_char(publish_date, 'yyyy-mm-dd, HH:MM') as date
  from cr_items ci inner join cr_revisions cr on (ci.item_id = cr.item_id)
 join acs_objects o on o.object_id=cr.item_id
-	where parent_id = :parent_id and revision_id = ci.live_revision 
+        where parent_id = :parent_id and revision_id = ci.live_revision
         AND cr.mime_type LIKE 'image/%'
-	ORDER BY publish_date DESC" {
+        ORDER BY publish_date DESC" {
           ::xowiki::Package initialize -package_id $package_id
           set item [::xowiki::File get_instance_from_db -item_id $item_id]
-	  set url [$item pretty_link]
+          set url [$item pretty_link]
           set download_url [export_vars -base $url {{m download}}]
           set delete_url [export_vars -base $url {{m delete} return_url}]
           set img_id "preview-img-${revision_id}"
           set image_p [expr {$mime_type in {"image/jpeg" "image/png" "image/gif"}}]
-	}
+        }
 
 
 set server_url ""