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[css3-lists] list-style-position: outside

From: Øyvind Stenhaug <oyvinds@opera.com>
Date: Wed, 15 Jun 2011 18:04:28 +0200
To: "www-style@w3.org" <www-style@w3.org>
Message-ID: <op.vw4j9qb7bunlto@oyvinds-desktop>

regarding the definition of "list-style-position: outside", I see there  
has been some back and forth. The latest WD (dated 24 May 2011), although  
still missing a lot of detail, seemed to show some promise w.r.t. picking  
a simple and predictable approach for horizontal alignment. Not sure about  
choosing the list item's *parent* as a reference, though. For instance,  
depending on which edge is actually referred to, it might not work well  
with current UA stylesheets for HTML (where the space needed by an  
'outside' list marker is provided by padding on ul/ol).

In the editor's draft, 'hanging' has been removed from section 4, but its  
behavior seems to have been transferred to 'outside'. As written, it has a  
lot of issues (e.g. marker will overlap border, marker can end up in the  
middle of a table, several tests in the CSS 2.1 suite are being  
contradicted). It also seems inconsistent with what's being specified in  
section 7 (position:marker), and I'm not sure which one is intended to  
apply (or what the relationship between these sections are).

To me it seems to make sense to align to the "start" edge of the border  
area of the list-item's principal box. Vertically it seems trickier, it  
should probably align to the first linebox satisfying some criteria (e.g.  
in-flow), creating one if none exists. Is this a sensible starting point?

Øyvind Stenhaug
Core Norway, Opera Software ASA
Received on Wednesday, 15 June 2011 16:04:57 UTC

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