diff --git a/Source/Bind/Specifications/GL2/signatures.xml b/Source/Bind/Specifications/GL2/signatures.xml
index a88ab886..57c27d04 100644
--- a/Source/Bind/Specifications/GL2/signatures.xml
+++ b/Source/Bind/Specifications/GL2/signatures.xml
@@ -91,6 +91,10 @@
     <token name="UNDEFINED_APPLE" value="0x8A1C" />
     <token name="VOLATILE_APPLE" value="0x8A1A" />
   </enum>
+  <enum name="APPLE_row_bytes">
+    <token name="PACK_ROW_BYTES_APPLE" value="0x8A15" />
+    <token name="UNPACK_ROW_BYTES_APPLE" value="0x8A16" />
+  </enum>
   <enum name="APPLE_specular_vector">
     <token name="LIGHT_MODEL_SPECULAR_VECTOR_APPLE" value="0x85B0" />
   </enum>
@@ -6407,6 +6411,8 @@
     <use enum="ARB_uniform_buffer_object" token="UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER" />
     <use enum="ARB_uniform_buffer_object" token="INVALID_INDEX" />
     <token name="INT_SAMPLER_2D_RECT" value="0x8DCD" />
+    <token name="INT_SAMPLER_2D_RECT" value="0x8DCD" />
+    <token name="INT_SAMPLER_BUFFER" value="0x8DD0" />
     <token name="INT_SAMPLER_BUFFER" value="0x8DD0" />
     <token name="MAX_RECTANGLE_TEXTURE_SIZE" value="0x84F8" />
     <token name="MAX_TEXTURE_BUFFER_SIZE" value="0x8C2B" />
@@ -6430,6 +6436,7 @@
     <token name="SAMPLER_2D_RECT_SHADOW" value="0x8B64" />
     <token name="SAMPLER_2D_RECT_SHADOW" value="0x8B64" />
     <token name="SAMPLER_BUFFER" value="0x8DC2" />
+    <token name="SAMPLER_BUFFER" value="0x8DC2" />
     <token name="SIGNED_NORMALIZED" value="0x8F9C" />
     <token name="TEXTURE_BINDING_BUFFER" value="0x8C2C" />
     <token name="TEXTURE_BINDING_RECTANGLE" value="0x84F6" />
@@ -6438,6 +6445,8 @@
     <token name="TEXTURE_BUFFER_FORMAT" value="0x8C2E" />
     <token name="TEXTURE_RECTANGLE" value="0x84F5" />
     <token name="UNSIGNED_INT_SAMPLER_2D_RECT" value="0x8DD5" />
+    <token name="UNSIGNED_INT_SAMPLER_2D_RECT" value="0x8DD5" />
+    <token name="UNSIGNED_INT_SAMPLER_BUFFER" value="0x8DD8" />
     <token name="UNSIGNED_INT_SAMPLER_BUFFER" value="0x8DD8" />
   </enum>
   <enum name="VERSION_3_2">
@@ -6605,6 +6614,13 @@
     <param name="n" type="SizeI" flow="in" />
     <param name="arrays" type="UInt32*" flow="out" />
   </function>
+  <function name="GetObjectParameterivAPPLE" extension="APPLE" category="APPLE_object_purgeable" version="1.5">
+    <returns type="void" />
+    <param name="objectType" type="GLenum" flow="in" />
+    <param name="name" type="UInt32" flow="in" />
+    <param name="pname" type="GLenum" flow="in" />
+    <param name="params" type="Int32*" flow="out" />
+  </function>
   <function name="GetTexParameterPointervAPPLE" extension="APPLE" category="APPLE_texture_range" version="1.2">
     <returns type="void" />
     <param name="target" type="GLenum" flow="in" />