anchor.diff:      */
       lib.extendDerivation true passthru (stdenv.mkDerivation {
         src = unresholved;
  -      version = unresholved.version;
  -      pname = "resholved-${unresholved.pname}";
  +      inherit version pname;
         buildInputs = [ resholve ];
   
         # retain a reference to the base
  
positive.code:       # supports default python.logging levels
        # LOGLEVEL="INFO";
        preFixup = phraseSolutions solutions unresholved;
      });
  }
  
negative.code:       */
        unresholved = (stdenv.mkDerivation ((removeAttrs attrs [ "solutions" ])
          // {
          inherit version src;
          pname = "${pname}-unresholved";
        }));
      in
      /*
  