libcli11-doc 2.4.1+ds-1 (s390x binary) in ubuntu oracular

 CLI11 provides all the features you expect in a powerful command line
 parser, with a beautiful, minimal syntax and no dependencies beyond
 C++11. It is header only, and comes in a single file form for easy
 inclusion in projects.
 .
 This package gathers cli11 documentation and source code examples