[giow] (0) Make the viewport around a <dialog> always scrollable. Don…

…'t ask me what happens if an unscrollable viewport is scrolled while a dialog is up and then the dialog goes away, that isn't clear at this time. If you think we should scroll back to the previous position, or force a previous dialog to be visible, or some such, file a bug with details, please. Thanks... Affected topics: CSS, HTML git-svn-id: http://svn.whatwg.org/webapps@8363 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Dec 17, 2013 · 3339345 · 3339345
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diff --git a/complete.html b/complete.html
@@ -51478,6 +51478,11 @@ <h4 id=the-dialog-element><span class=secno>4.11.7 </span>The <dfn><code>dialog<
   therefore result in unexpected effects (where the anchored element moves along with the clipped
   element, but isn't itself clipped).</p>
 
+  <p>User agents in visual interactive media should allow the user to pan the viewport to access all
+  parts of a <code><a href=#the-dialog-element>dialog</a></code> element's border box, even if the element is larger than the
+  viewport and the viewport would otherwise not have a scroll mechanism (e.g. because the viewport's
+  'overflow' property is set to 'hidden').</p>
+
   <hr><!--TOPIC:DOM APIs--><p>The <dfn id=dom-dialog-open title=dom-dialog-open><code>open</code></dfn> IDL attribute must
   <a href=#reflect>reflect</a> the <code title=attr-dialog-open><a href=#attr-dialog-open>open</a></code> content attribute.</p>
 <!--TOPIC:HTML-->
@@ -102019,6 +102024,7 @@ <h2 class=no-num id=references>References</h2><!--REFS-->
   Brenton Simpson,
   Brett Wilson,
   Brett Zamir,
+  Brian Blakely,
   Brian Campbell,
   Brian Korver,
   Brian Kuhn,

diff --git a/index b/index
@@ -51478,6 +51478,11 @@ dictionary <dfn id=relatedeventinit>RelatedEventInit</dfn> : <a href=#eventinit>
   therefore result in unexpected effects (where the anchored element moves along with the clipped
   element, but isn't itself clipped).</p>
 
+  <p>User agents in visual interactive media should allow the user to pan the viewport to access all
+  parts of a <code><a href=#the-dialog-element>dialog</a></code> element's border box, even if the element is larger than the
+  viewport and the viewport would otherwise not have a scroll mechanism (e.g. because the viewport's
+  'overflow' property is set to 'hidden').</p>
+
   <hr><!--TOPIC:DOM APIs--><p>The <dfn id=dom-dialog-open title=dom-dialog-open><code>open</code></dfn> IDL attribute must
   <a href=#reflect>reflect</a> the <code title=attr-dialog-open><a href=#attr-dialog-open>open</a></code> content attribute.</p>
 <!--TOPIC:HTML-->
@@ -102019,6 +102024,7 @@ if (s = prompt('What is your name?')) {
   Brenton Simpson,
   Brett Wilson,
   Brett Zamir,
+  Brian Blakely,
   Brian Campbell,
   Brian Korver,
   Brian Kuhn,

diff --git a/source b/source
@@ -56866,6 +56866,11 @@ dictionary <dfn>RelatedEventInit</dfn> : <span>EventInit</span> {
   therefore result in unexpected effects (where the anchored element moves along with the clipped
   element, but isn't itself clipped).</p>
 
+  <p>User agents in visual interactive media should allow the user to pan the viewport to access all
+  parts of a <code>dialog</code> element's border box, even if the element is larger than the
+  viewport and the viewport would otherwise not have a scroll mechanism (e.g. because the viewport's
+  'overflow' property is set to 'hidden').</p>
+
   <hr>
 
 <!--TOPIC:DOM APIs-->
@@ -114022,6 +114027,7 @@ if (s = prompt('What is your name?')) {
   Brenton Simpson,
   Brett Wilson,
   Brett Zamir,
+  Brian Blakely,
   Brian Campbell,
   Brian Korver,
   Brian Kuhn,