anchor.diff:    meta = with lib; {
       homepage = "https://github.com/pazz/alot";
       description = "Terminal MUA using notmuch mail";
  -    license = licenses.gpl3;
  +    license = licenses.gpl3Plus;
       platforms = platforms.linux;
       maintainers = with maintainers; [ edibopp ];
     };
  
positive.code:   nativeBuildInputs = lib.optional withManpage sphinx;
  
    propagatedBuildInputs = [
      notmuch
      urwid
      urwidtrees
      twisted
  
negative.code:     owner = "pazz";
      repo = "alot";
      rev = version;
      sha256 = "sha256-1reAq8X9VwaaZDY5UfvcFzHDKd71J88CqJgH3+ANjis=";
    };
  
    postPatch = ''
  