anchor.diff:    '';
   
     meta = with lib; {
  -    description = "The network analysis package";
  +    description = "C library for complex network analysis and graph theory";
       homepage = "https://igraph.org/";
       changelog = "https://github.com/igraph/igraph/blob/${src.rev}/CHANGELOG.md";
       license = licenses.gpl2Plus;
  
positive.code: , plfit
  , python3
  , sourceHighlight
  , suitesparse
  , xmlto
  }:
  
  
negative.code:     lapack
      libxml2
      plfit
    ] ++ lib.optionals stdenv.cc.isClang [
      llvmPackages.openmp
    ];
  