Improved parsing of block pattern/data syntax.

src/com/sk89q/worldedit/WorldEdit.java

@@ -247,8 +247,14 @@ public class WorldEdit {
             // Allow setting mob spawn type
             } else if (blockType == BlockType.MOB_SPAWNER) {
                 if (args0.length > 1) {
-                    if (!server.isValidMobType(args0[1])) {
+                    String mobName = args0[1];
-                        throw new InvalidItemException(arg, "Unknown mob type '" + args0[1] + "'");
+                    if (mobName.length() > 1) {
+                        mobName = mobName.substring(0, 1).toUpperCase()
+                                + mobName.substring(1);
+                    }
+                    
+                    if (!server.isValidMobType(mobName)) {
+                        throw new InvalidItemException(arg, "Unknown mob type '" + mobName + "'");
                     }
                     return new MobSpawnerBlock(data, args0[1]);
                 } else {
@@ -303,6 +309,8 @@ public class WorldEdit {
 
         String[] items = list.split(",");
         
+        // Handle special block pattern types
+        if (list.charAt(0) == '#') {
             if (list.equals("#clipboard") || list.equals("#copy")) {
                 LocalSession session = getSession(player);
                 CuboidClipboard clipboard;
@@ -315,8 +323,12 @@ public class WorldEdit {
                 }
                 
                 return new ClipboardPattern(clipboard);
+            } else {
+                throw new UnknownItemException(list);
+            }
         }
 
+        // If it's only one block, then just return that single one
         if (items.length == 1) {
             return new SingleBlockPattern(getBlock(player, items[0]));
         }
@@ -327,6 +339,8 @@ public class WorldEdit {
             BaseBlock block;
             
             double chance;
+            
+            // Parse special percentage syntax
             if (s.matches("[0-9]+(?:\\.(?:[0-9]+)?)?%.*")) {
                 String[] p = s.split("%");
                 chance = Double.parseDouble(p[0]);