anchor.diff:      toHtml CHANGELOG.rst $docdir/html/CHANGELOG.html
       toHtml CONTRIBUTING.rst $docdir/html/CONTRIBUTING.html
   
  -    ${docutils}/bin/rst2man \
  +    rst2man \
         --strip-elements-with-class=no-web \
         --title=http \
         --no-generator \
  
positive.code:     sed -e 's/^|build|//g' -i README.rst
  
      toHtml() {
        ${docutils}/bin/rst2html5 \
          --strip-elements-with-class=no-web \
          --title=http \
          --no-generator \
  
negative.code:   ];
  
    outputs = [ "out" "doc" "man" ];
  
    nativeBuildInputs = [ docutils ];
  
    propagatedBuildInputs = with python3Packages; [ pygments requests requests-toolbelt setuptools ];
  
  