SoGLTexture3EnabledElement(3) on Linux
The text 21228e0f5b62, as Debian 7 (Wheezy) shipped it. The page shows this text now.
The SoGLTexture3EnabledElement class is an element which controls whether 3D texturing is enabled or not. Be aware that this class is an extension for Coin, and it is not available in the original SGI Open Inventor v2.1 API.