[Matroska-devel] Re: USF muxing
moritz at bunkus.org
Mon May 23 09:07:53 CEST 2005
On Sunday 22 May 2005 22:06, unmei wrote:
> The specs say nothing about a BOM, but i think we once agreed there
> should be none. Certainly it is not required.
mkvmerge's policy is: If a (text) file is written and its encoding is
UTF-* then write a BOM. I'd like to stick to that. Reading will also
probably not work with XML files encoded in UTF-8 without a BOM!
> Valid USF files are always UTF-8 encoded.
Not true, that's what the first line is for:
<?xml version="1.0" encoding="UTF-8"?>
Most XML parsers accept at least UTF-8 and ISO8859-1.
> Also <metadata> should actually occur exactly once
:) mkvmerge doesn't care how often an element occurs, it just puts them
into CodecPrivate as they come. It won't try to sanitize them either.
> (Yeah i know, this file seems to hve been saved with a particularly
> borked version of u96).
> Anyway, u96 and the rasteriser should accept both files with and
> without BOM.
> u96 should no longer add BOMs but maybe it keeps them if present.
That's not good... It'll require some changes in mkvmerge.
If Darl McBride was in charge, he'd probably make marriage
unconstitutional too, since clearly it de-emphasizes the commercial
nature of normal human interaction, and probably is a major impediment
to the commercial growth of prostitution. - Linus Torvalds
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