anchor.diff:            * Interactive menus to select windows, sessions or clients.
             * Change the current window by searching for text in the target.
             * Terminal locking, manually or after a timeout.
  -          * A clean, easily extended, BSD-licensed codebase, under active development. 
  +          * A clean, easily extended, BSD-licensed codebase, under active development.
         '';
   
       license = stdenv.lib.licenses.bsd3;
  
positive.code: 
    nativeBuildInputs = [ pkgconfig ];
  
    buildInputs = [ ncurses libevent makeWrapper ];
  
    postInstall =
      ''
        mkdir -p $out/etc/bash_completion.d
        cp -v examples/bash_completion_tmux.sh $out/etc/bash_completion.d/tmux
        wrapProgram $out/bin/tmux --prefix TERMINFO : $out/share/terminfo
      '';
  
    meta = {
  
negative.code: {stdenv, fetchurl, ncurses, libevent, pkgconfig}:
  
  stdenv.mkDerivation rec {
    pname = "tmux";
  