[Vorbis] Edting or Adding New Comments

[Michael Smith]

> There is provision to add padding so that you can maintain the page
> size and so only need to rewrite the start of files which are padded,
> but it's not currently done.  Also, for reasons I don't quite
> understand, vcedit does a packet copy on the remainder of the stream
> rather than the simpler page copy.

This is mostly because it turned out to be reasonably straightforward,
and makes vorbiscomment into a useful utility for repairing certain
types of damaged stream.

Mike