[Zlib-devel] zlib and LZMA

[Paul Marquess]

From: Mark Adler

> On Jul 15, 2006, at 10:53 PM, Peleg, Guy (VMS Engineering) wrote:
> > Any idea if ZLIB's license will be impacted?
> 
> Excellent question.  The answer is yes, it will be impacted.  Here's
> the deal: Igor will allow commercial, closed-source use of his code,
> but only if unmodified.  He restricts use of his code modified in
> closed source.  You can however modify and use his code (including
> commercial use) if you then make the modifications available open
> source.
> 
> This differs from zlib, in that zlib permits any use, including
> closed-source use of modified zlib code.  The only constraint zlib
> has is that if you choose to distribute the modifications open
> source, that you mark them clearly as such.
> 
> So I envision that zlib will have different licenses for different
> portions.  What Igor contributes will be under his license, and the
> rest of zlib will remain under its current license.

What is the license status of XML-WRT? The link below from Matt Mahoney's
site isn't responding.

  http://www.ii.uni.wroc.pl/~inikep/research/XML/XML-WRT20.zip

Paul