W3C home > Mailing lists > Public > whatwg@whatwg.org > April 2007

[whatwg] Default (informal) Style Sheet

From: Anne van Kesteren <annevk@opera.com>
Date: Sun, 01 Apr 2007 19:30:57 +0200
Message-ID: <op.tp379vq264w2qv@id-c0020>
On Sun, 01 Apr 2007 20:16:12 +0200, Sander Tekelenburg <st at isoc.nl> wrote:
> Who are we (as spec definers) to decide that x is the only correct  
> behaviour or presentation? And why should we want to stifle innovation  
> by requiring
> some specific presentation?

Defining default rendering for certain constructs such as that the <body>  
element has a default margin of 8px (iirc) is important for  
interoperability reasons and for new UAs trying to enter the market (saves  
them reverse engineering other UAs). A lot of web pages rely on default  
rendering of elements. For instance, that an element such as <p> has a  
default style of "display:block" as opposed to "display:none".

It is very important that UAs falling within the same conformance class  
agree on these basic principles so authoring against those UAs becomes  
more predictable and that developing a new UA doesn't involve as much  
reverse engineering as it used to.

Anne van Kesteren
Received on Sunday, 1 April 2007 10:30:57 UTC

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