WEBVTT # This comment is allowed

# First timestamp is missing the 1/1000ths component, but parse anyway.
00:00 --> 00:01.234
This is the first subtitle.

02.345 --> 00:03.456
This is the second subtitle.

0.0.0 --> 00:05.678
This should be discarded (too many dots).

00:06.789 --> not-a-timestamp
This should be discarded (not a timestamp).
