libsbml5-doc 5.19.0+dfsg-1ubuntu2 (riscv64 binary) in ubuntu lunar

 LibSBML is a library designed to help you read, write, manipulate,
 translate, and validate SBML files and data streams. It is not an
 application itself (though it does come with many example programs),
 but rather a library you can embed in your own applications.
 .
 This package contains C/C++ documentation.