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