just an idea on attributes and varyings:
wouldn’t it make sense to allow a
attribute varying <type> <identifier>;
varying attribute <type> <identifier>;
in the vertex shader, with corresponding
varying <type> <identifier>;
in the fragment shader?
So that you can use the same identifier for the attribute as for the varying you use in the fragment shader?
Have I overlooked something or do you really have to use the work around with two different identifiers with a assign from attribute to varying to get your attribute into the fragment shader? I my opinion this is a little bit annoying.