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Re: [css3-page][css-gcpm] Styling elements differently based on whether they appear on a left or right page

From: Simon Pieters <simonp@opera.com>
Date: Thu, 12 Sep 2013 00:50:45 +0200
To: "Lea Verou" <lea@verou.me>
Cc: HÃ¥kon Wium Lie <howcome@opera.com>, "Brad Kemper" <brad.kemper@gmail.com>, "Alan Stearns" <stearns@adobe.com>, "www-style list" <www-style@w3.org>
Message-ID: <op.w29q2ve1idj3kv@simons-macbook-pro.local>
On Thu, 12 Sep 2013 00:26:43 +0200, Lea Verou <lea@verou.me> wrote:

>> Ah, OK. But then the selector doesn't do the right thing if the p also  
>> spans between two pages.
>
> Why?

So the selector was

article::page(left) p

now consider

+--------------------------+
| page left                |
| +----------------------+ |
| | article              | |
| | +------------------+ | |
| | | p blah blah      | | |
+--------------------------+

+--------------------------+
| | | blah end of p    | | |
| [ +------------------+ | |
| | end of article       | |
| +----------------------+ |
| page right               |
+--------------------------+

So article::page(left) is a pseudo-element that is between the article and  
the p on the left page, and the p is a child of that. The problem is that  
the p on the right page is the same element as that on the left page, so  
either it matches both article::page(left) p and article::page(right) p,  
or it matches neither.

Unless I have misunderstood the proposal and that `::page(left) p` is the  
pseudo-element wrapping just "p blah blah", rather than ::page(left) is  
the pseudo-element wrapping "article" and has p as child?

-- 
Simon Pieters
Opera Software
Received on Wednesday, 11 September 2013 22:44:00 UTC

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