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Cover an edge-case with typographic pseudo elements #80

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Mar 27, 2020
Merged

Cover an edge-case with typographic pseudo elements #80

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13e8fd2
Mention typographic pseudo elements
noamr Mar 27, 2020
1893861
Simplify, since it's an edge case
noamr Mar 27, 2020
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6 changes: 5 additions & 1 deletion painttiming.bs
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Expand Up @@ -54,6 +54,7 @@ urlPrefix: https://html.spec.whatwg.org/multipage/dom.html
type: dfn; text: represents; url: #represents;
urlPrefix: https://drafts.csswg.org/css-pseudo-4
type: dfn; text: generated content pseudo-element; url: #generated-content;
type: dfn; text: typographical pseudo-element; url: #typographic-pseudos;
urlPrefix: https://www.w3.org/TR/cssom-view
type: dfn; text: getBoundingClientRect; url: #dom-element-getboundingclientrect;
type: dfn; text: scrolling area; url: #scrolling-area;
Expand Down Expand Up @@ -124,7 +125,10 @@ A [=CSS image=] |img| is a <dfn>contentful image</dfn> when all of the following
A {{DOMString}} is <dfn>non-empty</dfn> if it contains at least one character excluding [=document white space characters=].

An [=element=] |target| is <dfn export>contentful</dfn> when one or more of the following apply:
* |target| has a [=text node=] child, representing [=non-empty=] text.
* |target| has a [=text node=] child, representing [=non-empty=] text, and the node's [=used=] [=opacity=] is greater than zero.

NOTE: this covers the case where a [=typographical pseudo-element=] would override the opacity of the text node.

* |target| is a [=replaced element=] representing an [=available=] [=image=].
* |target| has a [=background-image=] which is a [=contentful image=], and its [=used=] [=background-size=] has non-zero width and height values.
* |target| is a [=canvas=] with its [=context mode=] set to any value other than <code>none</code>.
Expand Down