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Clarify self-navigation behavior in a presentation. #461

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Merged
merged 4 commits into from
Apr 5, 2019
Merged

Clarify self-navigation behavior in a presentation. #461

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570cf67
Be specific about navigation
markafoltz Apr 4, 2019
16bb0fa
Revert
markafoltz Apr 4, 2019
701ab66
Restore changes
markafoltz Apr 4, 2019
45813d3
Address feedback
markafoltz Apr 5, 2019
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26 changes: 21 additions & 5 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -327,6 +327,11 @@ <h2>
"https://www.w3.org/TR/html51/browsers.html#active-sandboxing-flag-set">
active sandboxing flag set</a></dfn>
</li>
<li>
<dfn><a href=
"https://www.w3.org/TR/html51/browsers.html#allowed-to-navigate">allowed
to navigate</a></dfn>
</li>
<li>
<dfn><a href=
"https://www.w3.org/TR/html51/browsers.html#allowed-to-show-a-popup">allowed
Expand Down Expand Up @@ -398,7 +403,7 @@ <h2>
list of descendant browsing contexts</a></dfn>
</li>
<li>
<dfn><a href=
<dfn data-lt="steps to navigate"><a href=
"https://www.w3.org/TR/html51/browsers.html#navigated">navigate</a></dfn>
</li>
<li>
Expand Down Expand Up @@ -3057,14 +3062,25 @@ <h4>
listed above.
</p>
<p>
The <a>top-level browsing context</a> MUST NOT be allowed to
navigate itself, except by <a>navigating to a fragment
identifier</a> or by <a data-lt="reload a document">reloading its
document</a>. This allows the user to grant permission based on the
When the <a>top-level browsing context</a> attempts to navigate to
a new resource and runs the <a>steps to navigate</a>, it MUST
follow step 1 to determine if it is <a>allowed to navigate</a>. In
addition, it MUST NOT be allowed to navigate itself to a new
resource, except by <a>navigating to a fragment identifier</a> or
by <a data-lt="reload a document">reloading its document</a>.
</p>
<p class="note">
This allows the user to grant permission based on the origin of the
presentation URL shown when <a data-lt=
"select a presentation display">selecting a presentation
display</a>.
</p>
<p>
If the top-level-browsing context was not <a>allowed to
navigate</a>, it SHOULD NOT offer to open the resource in a new
<a>top-level browsing context</a>, but otherwise SHOULD be
consistent with the <a>steps to navigate</a>.
</p>
<p>
<a>Window clients</a> and <a>worker clients</a> associated with the
<a>receiving browsing context</a> and its <a>list of descendant
Expand Down