Formatting parsing test (ends at 20s)
normal italics normal
bold italics underline
<1>bogus start
unclosed italics
stray less than: <
<b b with lt-i attribute with space
<bb with lt-i attribute without space
text with embedded timecodes
ruby example text
bogus tag with empty numeric attribute
bogus tag with empty text attribute and non-empty text attribute
bogus closed tag with empty text attribute and non-empty text attribute
test closed timecode </00:00:15,15>
test closed timecode as attribute
unclosed credit