An outline proposal

Dave Pawson dave.pawson at
Fri Oct 15 10:42:39 CEST 2010

On 15 October 2010 09:32, MURATA Makoto (FAMILY Given)
<eb2m-mrt at> wrote:
> EPUB references ZIP but does not specify which verison of APPINFO is
> referenced.  EPUB does impose additional restrictions.
> This is OCF  1.0 (a part of EPUB) but ODF 2.0.1 has exactly the same
> restrictions.

Which requires Flate compression?

" is based on the public-domain zlib/deflate compression method, which
is a variable-length Lempel-Ziv adaptive compression method cascaded
with adaptive Huffman coding. It is fully defined in Internet RFCs
ZLIB Compressed Data Format Specification , and 1951, DEFLATE
Compressed Data Format Specification."

Based on? Is that still unencumbered? Anyone know?


Dave Pawson
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