Fixed /scriptname.js and no-double-slash settings not working

CHANGELOG.txt

@@ -1,16 +1,17 @@
 5.2:
-- Made BlockBag use WorldVectors for add(Single)SourcePosition
-- Fixed north face not being set with non-singleblockpatterns.
-- Moved the block data check to LocalWorld, adding preliminary support for custom blocks.
-- Lookup by id if the string passed to Block/ItemType.lookup() is an integer
-- Fixed issues with //replace.
-- Factored lookup code from BlockType and ItemType into a method in StringUtil.
-- BaseBlock changes
-- Properly escape cuipattern
-- Fix handling of empty strings passed to Block/ItemType
-- Improved formatting and performance of YAMLProcessor when no comments are present
-- Added bPermissions support
-- Update for new events system
+ - Made BlockBag use WorldVectors for add(Single)SourcePosition
+ - Fixed north face not being set with non-singleblockpatterns.
+ - Moved the block data check to LocalWorld, adding preliminary support for custom blocks.
+ - Lookup by id if the string passed to Block/ItemType.lookup() is an integer
+ - Fixed issues with //replace.
+ - Factored lookup code from BlockType and ItemType into a method in StringUtil.
+ - BaseBlock changes
+ - Properly escape cuipattern
+ - Fix handling of empty strings passed to Block/ItemType
+ - Improved formatting and performance of YAMLProcessor when no comments are present
+ - Added bPermissions support
+ - Update for new events system
+ - Fixed /scriptname.js and no-double-slash settings not working
 
 5.1.1:
  - Fixed some compatibility issues with SpoutPlugin

src/main/java/com/sk89q/worldedit/bukkit/WorldEditListener.java

@@ -97,7 +97,19 @@ public class WorldEditListener implements Listener {
             split[0] = "/" + split[0];
         }
         
-        event.setMessage(StringUtil.joinString(split, " "));
+        final String newMessage = StringUtil.joinString(split, " ");
+
+        if (!newMessage.equals(event.getMessage())) {
+            event.setMessage(newMessage);
+            plugin.getServer().getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                if (event.getMessage().length() > 0) {
+                    plugin.getServer().dispatchCommand(event.getPlayer(), 
+                            event.getMessage().substring(1));
+                }
+                event.setCancelled(true);
+            }
+        }
     }
 
     /**