anchor.diff:  
     texLiveFull = lib.setName "texlive-full" (texLiveAggregationFun {
       paths = [ texLive texLiveExtra lmodern texLiveCMSuper texLiveLatexXColor
  -              texLivePGF texLiveBeamer texLiveModerncv tipa tex4ht texinfo5
  +              texLivePGF texLiveBeamer texLiveModerncv tipa tex4ht texinfo
                 texLiveModerntimeline ];
     });
   
  
positive.code: 
    docbook2x = callPackage ../tools/typesetting/docbook2x {
      inherit (perlPackages) XMLSAX XMLParser XMLNamespaceSupport;
      texinfo = texinfo5;
    };
  
    dosfstools = callPackage ../tools/filesystems/dosfstools { };
  
negative.code: 
      loremIpsum = callPackage ../applications/editors/emacs-modes/lorem-ipsum { };
  
      magit = callPackage ../applications/editors/emacs-modes/magit { };
  
      maudeMode = callPackage ../applications/editors/emacs-modes/maude { };
  
  