Lars Kiesow 02ef49f67e
Allow Saving WebVTT (#605)
This patch is a small extension to the WebVTT example which allows to
directly save the WebVTT output to a file like this:

    ./test_webvtt.py test.wav out.vtt
2021-06-24 19:35:30 +03:00
..
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2020-09-22 00:00:24 +02:00
2021-06-24 19:35:30 +03:00