anchor.diff:        longer resembles aewm++ at all. It has a much expanded
         feature-set, including window grouping (similar to ion, pwm, or
         fluxbox), autoproperties, xinerama, keygrabber that supports
  -      keychains, and much more.      
  +      keychains, and much more.
         - Lightweight and Unobtrusive, a window manager shouldn't be
           noticed.
         - Very configurable, we all work and think in different ways.
  
positive.code:       - Chainable Keygrabber, usability for everyone.
      '';
        homepage = "http://www.pekwm.org";
        license = licenses.gpl2;
        maintainers = [ maintainers.AndersonTorres ];
        platforms = platforms.linux;
    };
  
negative.code: { stdenv
  , fetchFromGitHub
  , pkg-config
  , cmake
  , libXext
  , libXft
  , libXinerama
  , libXpm
  , libXrandr
  , libjpeg
  , libpng
  }:
  
  stdenv.mkDerivation rec {
    pname = "pekwm";
    version = "0.1.18";
  
    src = fetchFromGitHub {
      owner = "pekdon";
      repo = "pekwm";
      rev = "release-${version}";
      sha256 = "sha256-R1XDEk097ycMI3R4SjUEJv37CiMaDCQMvg7N8haN0MM=";
    };
  
    nativeBuildInputs = [ pkg-config cmake ];
    buildInputs = [
      libXext
      libXft
      libXinerama
      libXpm
      libXrandr
      libjpeg
      libpng
    ];
  
    meta = with stdenv.lib; {
      description = "A lightweight window manager";
  