vorbis/doc/xml/Vorbis_I_spec.xml

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  <!ENTITY colophon SYSTEM "footer.xml">
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<article>
<articleinfo>
  <title>Vorbis I specification</title>
  <corpauthor>Xiph.org Foundation</corpauthor>
</articleinfo>

 <xi:include href="01-introduction.xml"  xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="02-bitpacking.xml"    xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="03-codebook.xml"      xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="04-codec.xml"         xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="05-comment.xml"       xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="06-floor0.xml"        xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="07-floor1.xml"        xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="08-residue.xml"       xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="09-helper.xml"        xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="10-tables.xml"        xmlns:xi="http://www.w3.org/2001/XInclude"/> 

 <xi:include href="a1-encapsulation_ogg.xml"  xmlns:xi="http://www.w3.org/2001/XInclude"/> 
 <xi:include href="a2-encapsulation_rtp.xml"  xmlns:xi="http://www.w3.org/2001/XInclude"/>

 <xi:include href="footer.xml"           xmlns:xi="http://www.w3.org/2001/XInclude"/>

</article>