Where does VLC addon save subtitles during playback?

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http://askubuntu.com – I found a VLC script called 'Subtitle finder' (here) that downloads and displays video subtitles 'on-the-fly': they are downloaded and displayed during playback, and it works great, but does not saves subtitle file for the future: the whole procedure has to be restarted each time. (See this answer.) While the script says ‘Download subtitles’, I imagine they are downloaded and saved temporarily during playback: where are they downloaded? can I manually save them for future use? Maybe someone could find the answer by taking a look at the script. Also, I found a blog whose author h (HowTos)