[Zlib-devel] zlib and LZMA

[Per Hedbor]

On Sun, 16 Jul 2006 04:32:19 +0200, Mark Adler <madler at alumni.caltech.edu>  
wrote:

> On Jul 15, 2006, at 5:54 PM, Glenn Randers-Pehrson wrote:
>> Will putting a new method in zlib automatically put it in PNG as well?
>
> Certainly not.  It would have to be added to the specification.
>
>> but I also suspect that we might start seeing such PNGs, approved
>> or not, once the method is
>> distributed in zlib.
>
> Maybe.  I tend to think that if the spec was in fact changed, it
> would be quite a while before the new PNGs would be accepted by, for
> example, common browsers.

Don't bet on it (at least as far as firefox and opera are concerned).

However, old version of the browsers would (naturally) not support it,
hence severely limiting the usefulness of such images on the WWW.

-- 
Per Hedbor