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(added advantages/disadvantages of encapsulation) |
(added maths) |
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** it must be allowed to have time segments without text (discontinuous codec) | ** it must be allowed to have time segments without text (discontinuous codec) | ||
** there should be a way to specify adaptable layout of overlay text, in particular relative positioning | ** there should be a way to specify adaptable layout of overlay text, in particular relative positioning | ||
** there should be a way to specify mathematical formulae | |||
* Audio tracks should: | * Audio tracks should: | ||
edits