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Re: [css2.1] Issue 199 proposal

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 25 Oct 2010 17:26:53 -0700
Message-ID: <AANLkTikzWfbs+rSzq_3LbTyzH15gpzcTgn5Su=esanZw@mail.gmail.com>
To: "L. David Baron" <dbaron@dbaron.org>
Cc: www-style list <www-style@w3.org>
On Mon, Oct 25, 2010 at 4:20 PM, L. David Baron <dbaron@dbaron.org> wrote:
> On Wednesday 2010-10-20 09:25 -0700, Tab Atkins Jr. wrote:
>> | If an element contains no text, no preserved white space, no
>> | inline elements with non-zero margins, padding, or borders, and
>> | no other in-flow content (such as images, inline block, or
>> | inline tables), then no line boxes are generated inside the
>> | element.  Any child elements that rely on the element for
>> | positioning are treated as being in the "before start" corner
>> | of the element.
>
> However, I don't like the new proposal.  It introduces unpleasant
> discontinuities that weren't there before, e.g., when 'text-align'
> is 'right'.  See, for example, this testcase:
> http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C!DOCTYPE%20html%3E%0A%3Cstyle%3E%0Abody%20%3E%20div%20%7B%20border%3A%20solid%20blue%3B%20text-align%3A%20right%3B%20width%3A%20500px%20%7D%0Abody%20%3E%20div%20%3E%20div%20%7B%20display%3A%20inline%3B%20position%3A%20relative%20%7D%0Abody%20%3E%20div%20%3E%20div%20%3E%20div%20%7B%20position%3A%20absolute%3B%20height%3A%20100px%3B%20width%3A%2050px%3B%20background%3A%20orange%3B%20top%3A%200%3B%20right%3A%200%20%7D%0A%3C%2Fstyle%3E%0A%3Cdiv%3E%3Cdiv%3E%3Cdiv%3E%3C%2Fdiv%3E%3C%2Fdiv%3E%3C%2Fdiv%3E

That discontinuity wasn't intentional.  Try this text on for size:

| If an element contains no text, no preserved white
| space, no inline elements with non-zero margins,
| padding, or borders, and no other in-flow content
| (such as images, inline block, or inline tables),
| then no line boxes are generated inside the
| element.  The auto position of any child elements
| in the block-progression direction is the "before"
| edge of the parent element.  In the
| inline-progression direction, the position is the
| same as the position that a zero-width, zero-height
| inline replaced element in the parent element would
| be (this, for example, respects the script
| direction, as well as properties like text-align).

~TJ
Received on Tuesday, 26 October 2010 00:27:47 GMT

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