1ae2e39d01
And add comments to fill in for extensions that aren't there. Noticed the comment about "ARB extensions sorted by extension number" didn't extend to the <xi:include> directives when it became clear GL_ARB_texture_rg was missing, going by the error message seen here: https://bugs.freedesktop.org/show_bug.cgi?id=44039 This makes it easier to notice in the future if an extension is missing when it shouldn't be. Reviewed-by: Brian Paul <brianp@vmware.com>