--- a/net/minecraft/client/renderer/vertex/VertexFormatElement.java
+++ b/net/minecraft/client/renderer/vertex/VertexFormatElement.java
@@ -124,10 +124,17 @@
       NORMAL("Normal"),
       COLOR("Vertex Color"),
       UV("UV"),
+      // As of 1.8.8 - unused in vanilla; use GENERIC for now
+      @Deprecated
       MATRIX("Bone Matrix"),
+      @Deprecated
       BLEND_WEIGHT("Blend Weight"),
-      PADDING("Padding");
+      PADDING("Padding"),
+      GENERIC("Generic");
 
+      public void preDraw(VertexFormat format, int element, int stride, java.nio.ByteBuffer buffer) { net.minecraftforge.client.ForgeHooksClient.preDraw(this, format, element, stride, buffer); }
+      public void postDraw(VertexFormat format, int element, int stride, java.nio.ByteBuffer buffer) { net.minecraftforge.client.ForgeHooksClient.postDraw(this, format, element, stride, buffer); }
+
       private final String field_177392_h;
 
       private EnumUsage(String p_i46094_3_) {