anchor.diff:        \
         PULSE_SERVER="\''${PULSE_SERVER:-}" \
         PULSE_COOKIE="\''${PULSE_COOKIE:-}" \
  +      \
  +      APULSE_PLAYBACK_DEVICE="\''${APULSE_PLAYBACK_DEVICE:-plughw:0,0}" \
         \
         TOR_SKIP_LAUNCH="\''${TOR_SKIP_LAUNCH:-}" \
         TOR_CONTROL_PORT="\''${TOR_CONTROL_PORT:-}" \
  
positive.code:     # and torLibPath for accuracy, but this is more convenient ...
      libPath=${libPath}:$TBB_IN_STORE:$TBB_IN_STORE/TorBrowser/Tor
  
      # Fixup paths to pluggable transports.
      sed -i TorBrowser/Data/Tor/torrc-defaults \
          -e "s,./TorBrowser,$TBB_IN_STORE/TorBrowser,g"
  
negative.code:     // Optionally disable multiprocess support.  We always set this to ensure that
      // toggling the pref takes effect.
      lockPref("browser.tabs.remote.autostart.2", ${if disableContentSandbox then "false" else "true"});
  
      // Allow sandbox access to sound devices if using ALSA directly
      ${if (audioSupport && !pulseaudioSupport) then ''
        pref("security.sandbox.content.write_path_whitelist", "/dev/snd/");
      '' else ''
        clearPref("security.sandbox.content.write_path_whitelist");
      ''}
  
      ${optionalString (extraPrefs != "") ''
        ${extraPrefs}
  