1 <?xml version="1.0"?> 2 <!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd"> 3 4 <OpenGLAPI> 5 <xi:include href="glX_API.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/> 6 <xi:include href="gl_API.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/> 7 </OpenGLAPI>