OpenGL-ES 2.0 and egl* functions (iOS)

Question

There're set of definition called "egl" in GLES 1.1: http://www.khronos.org/opengles/sdk/1.1/docs/man/

It's the "Native Platform Graphics Interface Layer": http://www.khronos.org/opengles/

However, they're not in GLES 2.0: http://www.khronos.org/opengles/sdk/docs/man/

So I got some questions:

1. Is this a separated spec from GLES? Or a part of GLES1.1?
2. Where did they gone (in 2.0)? Or still exist (in 2.0)?
3. Where is the manual (guide)?
4. Should I manage eglContext in GLES 2.0 too?

Answer 1

EGL is a separate spec from OpenGL ES, it can manage contexts for OpenGL ES 1.0/1.1 and OpenGL ES 2.0 (and algo OpenVG), so it's not really gone.

The latest spec is here.