anchor.diff:            * Terminal locking, manually or after a timeout.
             * A clean, easily extended, BSD-licensed codebase, under active development.
         '';
  -
  +    changelog = "https://github.com/tmux/tmux/raw/${version}/CHANGES";
       license = lib.licenses.bsd3;
   
       platforms = lib.platforms.unix;
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "tmux";
    version = "3.1c";
  
    outputs = [ "out" "man" ];
  
  
negative.code:     owner = "tmux";
      repo = "tmux";
      rev = version;
      sha256 = "0alq81h1rz1f0zsy8qb2dvsl47axpa86j4bplngwkph0ksqqgr3p";
    };
  
    nativeBuildInputs = [
  