libplib-doc 1:1.8.5-3.1 (riscv64 binary) in ubuntu hirsute

 The Portability Libraries plib provide a Joystick interface, a simple GUI
 built on top of OpenGL, some standard geometry functions, a sound library
 and a simple scene graph API built on top of OpenGL.
 .
 This package contains HTML documentation and examples for plib. The
 documentation is a copy of the documentation which can be found online at
 http://plib.sourceforge.net/