Implementing the GL_EXT_bgra extention

Hi. I am interested in implementing the GL_EXT_bgra extention. It
looks fairly simple, becuase no new function were added to this
extention. New toekns were added for a fiew functions. See
http://www.msi.unilim.fr/~porquet/glexts/GL_EXT_bgra.txt.html.   I
have read the sections in the documentation about adding extensions.
They are a bit vague and seem a little out of date.

How hard would implementing this function be?
Any pointers to make it easier?

Thanks.


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