- From: Ian Hickson <ian@hixie.ch>
- Date: Fri, 1 Dec 2006 16:01:33 +0000 (UTC)
- To: Andrew Fedoniouk <news@terrainformatica.com>
- Cc: www-archive@w3.org
Taken off www-style since it's so off-topic.
On Thu, 30 Nov 2006, Andrew Fedoniouk wrote:
>
> Ian, what does this "backward compatibility" mean?
Language v1 is backwards compatible with language v2 if:
* Documents written in language v1 work in UAs for language v2 the
same way they do in UAs written for language v1.
* Documents written in language v1 can have features from language v2
added without affecting parts of the document that do not use those
features.
* Documents written in language v2 can display in UAs for language v1
and still be usable (though maybe not all the functionality will be
present).
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 1 December 2006 16:02:53 UTC