Framebuffer extension

I'm using the SVN version now, so it looks to be incomplete.

In section 4.4.2 the spec for RenderbufferStorageEXT says that:
<internalformat> must be color-renderable, depth-renderable, or
stencil-renderable (as defined in section 4.4.4)

Then in section 4.4.4:
* The following base internal formats from table 3.15 are
"color-renderable": RGB, RGBA, FLOAT_R_NV, FLOAT_RG_NV,
FLOAT_RGB_NV, and FLOAT_RGBA_NV. The sized internal formats
from table 3.16 that have a color-renderable base internal
format are also color-renderable. No other formats, including
compressed internal formats, are color-renderable.

* An internal format is "depth-renderable" if it is
DEPTH_COMPONENT, or if it is one of the sized internal formats
from table 3.16 that has a depth-renderable base internal
format. No other formats are depth-renderable.

* An internal format is "stencil-renderable" if it is
STENCIL_INDEX, or if it is one of the sized internal formats
from table 2.nnn that has a stencil-renderable base internal
format. No other formats are stencil-renderable.

So, from that, at least the following members should be added. I have no idea where tabls 3.15 and 3.16 are, but the above text implies that there may be other formats on those tables that should be included too?

enum RenderbufferStorage
{
RGB, // I didn't look up the values for these
RGBA, 
FLOAT_R_NV, 
FLOAT_RG_NV,
FLOAT_RGB_NV,
FLOAT_RGBA_NV,
DEPTH_COMPONENT,
        StencilIndex1Ext = 36166,
        StencilIndex4Ext = 36167,
        StencilIndex8Ext = 36168,
        StencilIndex16Ext = 36169,
}