Intent to implement: CSS display:contents

[Mats Palmgren]

Summary:
Styling an element with display:contents will inhibit generating
a box for the element, but its children and pseudo-elements still
generate boxes as normal.

Bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=907396

Link to standard:
CSS Display Module Level 3
http://dev.w3.org/csswg/css-display/#valdef-display-outside-contents

Platform coverage:
all Gecko based products

Estimated or target release:
Landed, disabled by default, in Firefox 36.
Turning on the pref by default: TBD
https://bugzilla.mozilla.org/show_bug.cgi?id=1102374

Preference behind which this will be implemented:
layout.css.display-contents.enabled

[Jonas Sicking]

Awesome! I've looked forward to this for a long time!

/ Jonas

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[Jonas Sicking]

The spec looks a bit weird though. It says that "display: content;"
maps to "display-outside: content; display-inside: block".

Does that mean that you can't use "display: content;" to allow an
element to for example wrap two table-rows? Or to wrap some inline
text?

/ Jonas

[L. David Baron]

On Friday 2014-11-21 14:51 -0800, Jonas Sicking wrote:
> The spec looks a bit weird though. It says that "display: content;"
> maps to "display-outside: content; display-inside: block".

The display-inside value shouldn't actually matter; it gets ignored.
It just has to be something. (Perhaps it should be 'auto', though,
since that's the initial value.)

-David

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𝄞 L. David Baron http://dbaron.org/ 𝄂
𝄢 Mozilla https://www.mozilla.org/ 𝄂
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