<?xml version="1.0"?> <!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd"> <OpenGLAPI> <category name="GL_ARB_texture_compression_rgtc" number="52"> <enum name="COMPRESSED_RED_RGTC1" value = "0x8DBB"/> <enum name="COMPRESSED_SIGNED_RED_RGTC1" value = "0x8DBC"/> <enum name="COMPRESSED_RG_RGTC2" value = "0x8DBD"/> <enum name="COMPRESSED_SIGNED_RG_RGTC2" value = "0x8DBE"/> </category> </OpenGLAPI>