W3C home > Mailing lists > Public > www-style@w3.org > February 2012

Re: [css3-images] aliasing of object-fit/object-position

From: Leif Arne Storset <lstorset@opera.com>
Date: Wed, 22 Feb 2012 13:36:21 +0100
To: "Erik Dahlstrom" <ed@opera.com>
Cc: "www-style@w3.org" <www-style@w3.org>
Message-ID: <op.v92ymvm5tmo5g6@localhost.localdomain>
Erik Dahlstrom <ed@opera.com> skreiv Wed, 22 Feb 2012 13:16:45 +0100

> In sections 5.4 and 5.5:
>
> [[ User agents MAY accept ‘image-fit’ as an alias for ‘object-fit’, as a  
> previous version of this specification used that name. Authors must not  
> use ‘image-fit’ in their stylesheets. ]]
> [[ User agents MAY accept ‘image-position’ as an alias for  
> ‘object-position’, as a previous version of this specification used that  
> name. Authors must not use ‘image-position’ in their stylesheets. ]]

This is because printers (from HP, I assume) use the property in firmware.  
[0] It may not be a significant argument against your proposal, though:  
these old printers will never be declared conforming to css3-images  
anyway. Unless new printers have to work with old drivers or software or  
something.

> Are there any precedents in any CSS specifications for this kind of  
> aliasing? It sounds to me like a good way of introducing  
> incompatibilities between user agents.
>
> Please consider removing the sentences that allow 'image-fit' and  
> 'image-position'.

0. Nearest thing I can find for a citation for that is  
http://lists.w3.org/Archives/Public/www-style/2011Jul/0538.html. Not a  
very solid one, I must admit.
-- 
Leif Arne Storset
Core Technology Developer, Opera Software
Oslo, Norway
Received on Wednesday, 22 February 2012 12:36:55 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:51 GMT