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Remove duplicate script-blocking style sheet requirement #8759

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Merged
merged 4 commits into from
Jan 24, 2024
Merged

Remove duplicate script-blocking style sheet requirement #8759

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0465417
Remove duplicate script-blocking style sheet requirement
domfarolino Apr 24, 2023
2f387a7
Add normative text for the script-blocking style sheet set
domfarolino May 4, 2023
e23b446
Move 'contributes' check to add a CSS style sheet
domfarolino Jul 23, 2023
2f97aae
Whitespace
domfarolino Jul 26, 2023
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23 changes: 11 additions & 12 deletions cssom-1/Overview.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,9 @@ urlPrefix: https://html.spec.whatwg.org/multipage/
urlPrefix: semantics.html
type: dfn
text: a style sheet that is blocking scripts
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This is still used by the Link section, so we can probably remove it once we address #8759 (comment).

text: contributes a script-blocking style sheet
for: Document
text: script-blocking style sheet set
urlPrefix: https://dom.spec.whatwg.org/#concept-
type: dfn
text: dispatch; url: event-dispatch
Expand Down Expand Up @@ -1155,9 +1158,14 @@ steps:

<ol>
<li>Add the <a>CSS style sheet</a> to the list of
<a>document or shadow root CSS style sheets</a> at the appropriate location. The
remainder of these steps deal with the
<a>disabled flag</a>.
<a>document or shadow root CSS style sheets</a> at the appropriate location.

<li>
<p>If the <a>CSS style sheet</a>'s <a for=CSSStyleSheet>owner node</a> <a>contributes a
script-blocking style sheet</a>, then user agents must <a for=list>append</a> the <a
for=CSSStyleSheet>owner node</a> to its <a>node document</a>'s <a for=Document>script-blocking
style sheet set</a>.</p>
<p class="note">The remainder of these steps deal with the <a>disabled flag</a>.</p>

<li>If the <a>disabled flag</a> is set, then return.

Expand Down Expand Up @@ -1543,15 +1551,6 @@ must be run:
</ol>
</div>

A style sheet referenced by an <a>xml-stylesheet processing instruction</a> using the rules in this section, in the context of
the {{Document}} of an <a>XML parser</a> is said to be
<a>a style sheet that is blocking scripts</a> if the <code>ProcessingInstruction</code>
<a>node</a> was created by that {{Document}}'s parser, and the style sheet was
enabled when the node was created by the parser, the last time the
<a>event loop</a> reached step 1, the node was in that Document,
and the user agent hasn't given up on loading that particular style sheet
yet. A user agent may give up on such a style sheet at any time.

### Requirements on user agents Implementing the HTTP Link Header ### {#requirements-on-user-agents-implementing-the-http-link-header}

<!-- XXX ref, one day -->
Expand Down