anchor.diff:  
     CXXFLAGS = lib.optionalString stdenv.cc.isClang "-std=c++11";
   
  -  meta = {
  +  meta = with lib; {
       homepage = "https://mosh.org/";
       description = "Mobile shell (ssh replacement)";
       longDescription = ''
  
positive.code: { lib, stdenv, fetchurl, fetchpatch, zlib, protobuf, ncurses, pkg-config
  , makeWrapper, perlPackages, openssl, autoreconfHook, openssh, bash-completion
  , libutempter ? null, withUtempter ? stdenv.isLinux }:
  
  stdenv.mkDerivation rec {
    pname = "mosh";
  
negative.code:       Mosh is a replacement for SSH. It's more robust and responsive,
        especially over Wi-Fi, cellular, and long-distance links.
      '';
      license = licenses.gpl3Plus;
      maintainers = with maintainers; [ viric ];
      platforms = platforms.unix;
    };
  }
  