Improved command detection algorithm, fixed //size.

src/com/sk89q/worldedit/WorldEdit.java

@@ -853,21 +853,26 @@ public class WorldEdit {
             }
             
             String searchCmd = split[0].toLowerCase();
-            if (commands.hasCommand(searchCmd)
-                    || (config.noDoubleSlash && commands.hasCommand("/" + searchCmd))
-                    || (searchCmd.length() >= 2 && searchCmd.charAt(0) == '/'
-                            && commands.hasCommand(searchCmd.substring(1)))) {
-                if (config.noDoubleSlash && commands.hasCommand("/" + searchCmd)) {
+            
+            // Try to detect the command
+            if (commands.hasCommand(searchCmd)) {
+            } else if (config.noDoubleSlash && commands.hasCommand("/" + searchCmd)) {
                 split[0] = "/" + split[0];
             } else if (commands.hasCommand(searchCmd.substring(1))) {
                 split[0] = split[0].substring(1);
             }
             
+            // No command found!
+            if (!commands.hasCommand(split[0])) {
+                return false;
+            }
+        
             LocalSession session = getSession(player);
             BlockBag blockBag = session.getBlockBag(player);
             
             session.tellVersion(player);
             
+            // Create an edit session
             EditSession editSession =
                     new EditSession(player.getWorld(),
                             session.getBlockChangeLimit(), blockBag);
@@ -905,9 +910,6 @@ public class WorldEdit {
                 
                 flushBlockBag(player, editSession);
             }
-            }
-
-            return false;
         } catch (NumberFormatException e) {
             player.printError("Number expected; string given.");
         } catch (IncompleteRegionException e) {

src/com/sk89q/worldedit/commands/SelectionCommands.java

@@ -425,7 +425,7 @@ public class SelectionCommands {
     }
 
     @Command(
-        aliases = {"/m", "//size"},
+        aliases = {"/size"},
         usage = "",
         desc = "Get information about the selection",
         min = 0,