Andreas Rheinhardt:
> Reserving space in Matroska works by writing a Void element. And until
> now this worked as follows: The current position was recorded and the
> EBML ID as well as the length field written; then the new position was
> recorded to know how much more to write. Afterwards the
Reserving space in Matroska works by writing a Void element. And until
now this worked as follows: The current position was recorded and the
EBML ID as well as the length field written; then the new position was
recorded to know how much more to write. Afterwards the actual writing
has been
