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[Bug 14360] Count Unicode 'combining marks" together with "inter-element whitespace"

From: <bugzilla@jessica.w3.org>
Date: Mon, 03 Oct 2011 18:52:55 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1RAndH-0005Dx-He@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=14360

Ian 'Hixie' Hickson <ian@hixie.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ian@hixie.ch
          Component|LC1 HTML5 spec (editor: Ian |HTML5 spec (editor: Ian
                   |Hickson)                    |Hickson)

--- Comment #6 from Ian 'Hixie' Hickson <ian@hixie.ch> 2011-10-03 18:52:55 UTC ---
(In reply to comment #0)
> 
> PROBLEM DESCRIPTION: Bug 13502 resulted in a de-facto permisson to let text
> runs begin with combining marks. However, while it should perhaps not be
> completely forbidden, still - if an element "whose content model allows any
> flow content"  contains nothing but (inter-element) space + combining mark (or
> even solely a combining mark), then there are several potential issues:
> 
> 1)  White space collapsing means that the combining character doesn't really
>      combine with the space character

Why would this be a problem?

> 2)  Combing marks that combines with nothing or space, are hard to select with
> the mouse

Why would they be any harder than combining with a letter?

> 3)  Visually, such marks may look as if they combine with something outside the
> element

They might well combine with something outside the element's border box. Why is
this a problem?

> 4)  When the first letter is a combnining mark, then the CSS *:first-letter{}
> selector may seem, to authors, to not work

Why not? It would do exactly what CSS says it should, no?

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Received on Monday, 3 October 2011 18:52:57 UTC

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