Tenet/patches/net/minecraft/item/ItemWritableBook.java.patch

--- ../src-base/minecraft/net/minecraft/item/ItemWritableBook.java
+++ ../src-work/minecraft/net/minecraft/item/ItemWritableBook.java
@@ -3,6 +3,7 @@
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
 import net.minecraft.world.World;
 
 public class ItemWritableBook extends Item
@@ -25,6 +26,49 @@
         return true;
     }
 
+    public static boolean shadowUpdate(ItemStack stack, ItemStack  push, boolean isSigning)
+    {
+        if (isSigning)
+        {
+            if(push.getTagCompound().hasKey("title", 8))
+                stack.setTagInfo("title", new NBTTagString(push.getTagCompound().getString("title")));
+        }
+        if (push.getTagCompound().hasKey("pages",9))
+            stack.setTagInfo("pages", push.getTagCompound().getTagList("pages", 8));
+        return true;
+        /*if (this.hasTagCompound() && par1.hasTagCompound())
+        {
+            NBTTagCompound nbttagcompound = this.getTagCompound();
+            NBTTagCompound nbttagcompound1 = par1.getTagCompound();
+            if (nbttagcompound1.hasKey("pages"))
+                nbttagcompound.setTag("pages", nbttagcompound1.getTag("pages"));
+            if (isSigning)
+            {
+                if (nbttagcompound1.hasKey("title"))
+                {
+                    nbttagcompound.setTag("title", nbttagcompound1.getTag("title"));
+                }
+                if (nbttagcompound1.hasKey("author"))
+                    nbttagcompound.setTag("author", nbttagcompound1.getTag("author"));
+            }
+        }
+        else if(par1.hasTagCompound())
+        {
+            NBTTagCompound nbttagcompound1 = par1.getTagCompound();
+            if (nbttagcompound1.hasKey("pages"))
+                this.setTagInfo("pages", nbttagcompound1.getTag("pages"));
+            if (isSigning)
+            {
+                if (nbttagcompound1.hasKey("title"))
+                {
+                    this.setTagInfo("title", nbttagcompound1.getTag("title"));
+                }
+                if (nbttagcompound1.hasKey("author"))
+                    this.setTagInfo("author", nbttagcompound1.getTag("author"));
+            }
+        }*/
+    }
+
     public static boolean func_150930_a(NBTTagCompound p_150930_0_)
     {
         if (p_150930_0_ == null)
@@ -43,15 +87,10 @@
             {
                 String s = nbttaglist.getStringTagAt(i);
 
-                if (s == null)
+                if (s == null || s.length() > 256)
                 {
                     return false;
                 }
-
-                if (s.length() > 256)
-                {
-                    return false;
-                }
             }
 
             return true;