Re: [PATCH v2 0/14] MR10349: opengl32: Implement wglGetProcAddress on the client side.

[Jacek Caban (＠jacek)]

> GLSL extensions aren't supposed to be exposed there, unless they have a matching GL extension to add tokens / commands or change GL behavior. This one doesn't do any of that on the GL side, and I believe it is not meant to be exposed in GL_EXTENSIONS.

Well, it's exposed by Mesa's `GL_EXTENSIONS`.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10349#note_133858