libirrlicht-doc 1.8.5+ds-2 (amd64 binary) in ubuntu jammy

 The Irrlicht Engine is an open source completely cross-platform 3D engine.
 It has support for OpenGL and its own software renderer,
 and has all of the state-of-the-art features
 which can be found in commercial 3d engines.
 .
 This package contains the API documentation and examples.