anchor.diff:      mistune
     ];
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       maintainers = with maintainers; [
         wkennington
       ];
  
positive.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  
  , docutils
  , mistune
  }:
  
  let
    version = "0.1.5";
  in
  buildPythonPackage {
    name = "m2r-${version}";
  
negative.code:   src = fetchPyPi {
      package = "m2r";
      inherit version;
      sha256 = "a26bc2e25e0ad3f8650385aea25cf734ac4fcd30e54faec92fd39675da75e527";
    };
  
    buildInputs = [
  