Move Chris Marrin and Dave Hyatt to Former Editors (with their approval).

smfr · smfr · commit dd21c90005c7 · 2012-07-12T11:26:00.000-07:00
Fix https://www.w3.org/Bugs/Public/show_bug.cgi?id=17521, adding text about treatment of background-attachment: fixed on elements affected by transforms. Made the paragraph about fixed backgrounds on a transformed root a note, since it's explanatory. --HG-- extra : rebase_source : a678ff2dfbdb3dae91650eefbd2c61b4aedd0608
diff --git a/css3-transforms/ChangeLog b/css3-transforms/ChangeLog
@@ -1,3 +1,10 @@
+2012-07-12 simon.fraser@apple.com
+    Move Chris Marrin and Dave Hyatt to Former Editors (with their approval).
+    Fix https://www.w3.org/Bugs/Public/show_bug.cgi?id=17521, adding text about treatment
+    of background-attachment: fixed on elements affected by transforms.
+    Made the paragraph about fixed backgrounds on a transformed root a note, since it's
+    explanatory.
+
 2012-06-12 ayg@aryeh.name
     Typo/grammar fix
 
diff --git a/css3-transforms/Overview.html b/css3-transforms/Overview.html
@@ -39,14 +39,14 @@
 
    <h1>CSS Transforms</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 16 June 2012</h2>
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 12 July 2012</h2>
 
    <dl>
     <dt>This version:
 
     <dd> <a
-     href="http://www.w3.org/TR/2012/ED-css3-transforms-20120616/">http://dev.w3.org/csswg/css3-transforms/</a>
-     <!--http://www.w3.org/TR/2012/WD-css3-transforms-20120616/-->
+     href="http://www.w3.org/TR/2012/ED-css3-transforms-20120712/">http://dev.w3.org/csswg/css3-transforms/</a>
+     <!--http://www.w3.org/TR/2012/WD-css3-transforms-20120712/-->
 
     <dt>Latest version:
 
@@ -74,12 +74,6 @@ <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 16 June 2012</h2>
     <dd>Dean Jackson (<a href="http://www.apple.com/">Apple Inc</a>) &lt;dino
      @apple.com&gt;
 
-    <dd>David Hyatt (<a href="http://www.apple.com/">Apple Inc</a>) &lt;hyatt
-     @apple.com&gt;
-
-    <dd>Chris Marrin (<a href="http://www.apple.com/">Apple Inc</a>)
-     &lt;cmarrin @apple.com&gt;
-
     <dd>Edward O'Connor (<a href="http://www.apple.com/">Apple Inc</a>)
      &lt;eoconnor @apple.com&gt;
 
@@ -89,6 +83,14 @@ <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 16 June 2012</h2>
     <dd>Aryeh Gregor (<a href="http://www.mozilla.org/">Mozilla</a>) &lt;ayg
      @aryeh.name&gt;
 
+    <dt id=editors-list>Former Editors:
+
+    <dd>David Hyatt (<a href="http://www.apple.com/">Apple Inc</a>) &lt;hyatt
+     @apple.com&gt;
+
+    <dd>Chris Marrin (<a href="http://www.apple.com/">Apple Inc</a>)
+     &lt;cmarrin @apple.com&gt;
+
     <dt>Issues list:
 
     <dd><a
@@ -417,7 +419,13 @@ <h2 id=module-interactions><span class=secno>2. </span>Module Interactions</h2>
    elements, and thus override the back-to-front painting order described in
    <a href="http://www.w3.org/TR/CSS2/zindex.html"
    title="Elaborate description of Stacking Contexts">Appendix E</a> of <a
-   href="#CSS21" rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a>.</p>
+   href="#CSS21" rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a>.
+
+  <p> Transforms affect the rendering of backgounds on elements with a value
+   of <code>fixed</code> for the <code><a
+   href="http://www.w3.org/TR/css3-background/#the-background-attachment">background-attachment</a></code>
+   property, which is specified in <a href="#CSS3BG"
+   rel=biblioentry>[CSS3BG]<!--{{!CSS3BG}}--></a>.</p>
   <!-- Probably need more here. -->
 
   <h2 id=css-values><span class=secno>3. </span>CSS Values</h2>
@@ -747,27 +755,26 @@ <h2 id=transform-rendering><span class=secno>6. </span>The Transform
    go into more detail here about why fixed positioned objects should do
    this, i.e., that it's much harder to implement otherwise.
 
-  <p> <a href="http://dev.w3.org/csswg/css3-background/#fixed0">Fixed
-   backgrounds</a> are affected by any transform specified for the root
-   element, and not by any other transforms.
-
-  <p class=note> Thus an element with a fixed background still acts like a
-   "porthole" into an image that's fixed to the viewport, and transforms on
-   the element affect the porthole, not the background behind it. On the
-   other hand, transforming the root element will still transform everything
-   on the page, rather than everything except for fixed backgrounds.
-
-  <p> If the root element is transformed, the transformation applies to the
-   entire canvas, including any background specified for the root element.
-   Since <a
-   href="http://dev.w3.org/csswg/css3-background/#special-backgrounds">the
+  <p> <a href="http://www.w3.org/TR/css3-background/#fixed0">Fixed
+   backgrounds</a> on the root element are affected by any transform
+   specified for that element. For all other elements that are effected by a
+   transform (i.e. have a transform applied to them, or to any of their
+   ancestor elements), a value of <code>fixed</code> for the
+   <code>background-attachment</code> property is treated as if it had a
+   value of <code>scroll</code>.
+   <!-- does this affect the computed style of background-attachment? -->
+
+  <p class=note> If the root element is transformed, the transformation
+   applies to the entire canvas, including any background specified for the
+   root element. Since <a
+   href="http://www.w3.org/TR/css3-background/#special-backgrounds"> the
    background painting area for the root element</a> is the entire canvas,
    which is infinite, the transformation might cause parts of the background
    that were originally off-screen to appear. For example, if the root
-   element's background were repeating dots, and a transformation of ‘<code
-   class=css>scale(0.5)</code>’ were specified on the root element, the
-   dots would shrink to half their size, but there will be twice as many, so
-   they still cover the whole viewport.
+   element's background were repeating dots, and a transformation of
+   <code>scale(0.5)</code> were specified on the root element, the dots would
+   shrink to half their size, but there will be twice as many, so they still
+   cover the whole viewport.
 
   <h3 id=transform-3d-rendering><span class=secno>6.1. </span>3D Transform
    Rendering</h3>
@@ -3329,6 +3336,16 @@ <h3 class=no-num id=normative-references>Normative references</h3>
     href="http://www.w3.org/TR/2011/REC-CSS2-20110607">http://www.w3.org/TR/2011/REC-CSS2-20110607</a>
     </dd>
    <!---->
+
+   <dt id=CSS3BG>[CSS3BG]
+
+   <dd>Bert Bos; Elika J. Etemad; Brad Kemper. <a
+    href="http://www.w3.org/TR/2012/CR-css3-background-20120417/"><cite>CSS
+    Backgrounds and Borders Module Level 3.</cite></a> 17 April 2012. W3C
+    Candidate Recommendation. (Work in progress.) URL: <a
+    href="http://www.w3.org/TR/2012/CR-css3-background-20120417/">http://www.w3.org/TR/2012/CR-css3-background-20120417/</a>
+    </dd>
+   <!---->
   </dl>
   <!--end-normative-->
 
diff --git a/css3-transforms/Transforms.src.html b/css3-transforms/Transforms.src.html
@@ -49,12 +49,14 @@ <h2 class="no-num no-toc">[LONGSTATUS] [DATE]</h2>
           <dt id="editors-list">Editors:
             <dd>Simon Fraser (<a href="http://www.apple.com/">Apple Inc</a>) &lt;simon.fraser &#64;apple.com&gt;
             <dd>Dean Jackson (<a href="http://www.apple.com/">Apple Inc</a>) &lt;dino &#64;apple.com&gt;
-            <dd>David Hyatt (<a href="http://www.apple.com/">Apple Inc</a>) &lt;hyatt &#64;apple.com&gt;
-            <dd>Chris Marrin (<a href="http://www.apple.com/">Apple Inc</a>) &lt;cmarrin &#64;apple.com&gt;
             <dd>Edward O'Connor (<a href="http://www.apple.com/">Apple Inc</a>) &lt;eoconnor &#64;apple.com&gt;
             <dd>Dirk Schulze (<a href="http://www.adobe.com/">Adobe Systems, Inc</a>) &lt;dschulze &#64;adobe.com&gt;
             <dd>Aryeh Gregor (<a href="http://www.mozilla.org/">Mozilla</a>) &lt;ayg &#64;aryeh.name&gt;
 
+          <dt id="editors-list">Former Editors:
+            <dd>David Hyatt (<a href="http://www.apple.com/">Apple Inc</a>) &lt;hyatt &#64;apple.com&gt;
+            <dd>Chris Marrin (<a href="http://www.apple.com/">Apple Inc</a>) &lt;cmarrin &#64;apple.com&gt;
+
             <dt>Issues list:
               <dd><a href="https://www.w3.org/Bugs/Public/buglist.cgi?query_format=advanced&amp;product=CSS&amp;component=Transforms&amp;resolution=---&amp;cmdtype=doit">in Bugzilla</a>
 
@@ -154,6 +156,11 @@ <h2 id="module-interactions">Module Interactions</h2>
             Three-dimensional transforms can also affect the visual layering of elements, and thus override the back-to-front
             painting order described in <a href="http://www.w3.org/TR/CSS2/zindex.html" title="Elaborate description of Stacking Contexts">Appendix E</a> of [[!CSS21]].
           </p>
+          <p>
+            Transforms affect the rendering of backgounds on elements with a value of <code>fixed</code> for the
+            <code><a href="http://www.w3.org/TR/css3-background/#the-background-attachment">background-attachment</a></code> property,
+            which is specified in [[!CSS3BG]].
+          </p>
           <!-- Probably need more here. -->
 
         <h2 id="css-values">CSS Values</h2>
@@ -455,29 +462,23 @@ <h2 id="transform-rendering">The Transform Rendering Model</h2>
                 implement otherwise.
               </p>
               <p>
-                <a href="http://dev.w3.org/csswg/css3-background/#fixed0">Fixed backgrounds</a>
-                are affected by any transform specified for the root element, and not by any other
-                transforms.
+                <a href="http://www.w3.org/TR/css3-background/#fixed0">Fixed backgrounds</a>
+                on the root element are affected by any transform specified for that element.
+                For all other elements that are effected by a transform (i.e. have a transform
+                applied to them, or to any of their ancestor elements), a value
+                of <code>fixed</code> for the <code>background-attachment</code> property is
+                treated as if it had a value of <code>scroll</code>.
+                <!-- does this affect the computed style of background-attachment? -->
               </p>
               <p class="note">
-                Thus an element with a fixed background still acts like a
-                "porthole" into an image that's fixed to the viewport, and
-                transforms on the element affect the porthole, not the
-                background behind it.  On the other hand, transforming the root
-                element will still transform everything on the page, rather
-                than everything except for fixed backgrounds.
-              </p>
-              <p>
                 If the root element is transformed, the transformation applies
                 to the entire canvas, including any background specified for
-                the root element.  Since
-                <a href="http://dev.w3.org/csswg/css3-background/#special-backgrounds">the
-                background painting area for the root element</a> is the entire
+                the root element.  Since <a href="http://www.w3.org/TR/css3-background/#special-backgrounds">
+                the background painting area for the root element</a> is the entire
                 canvas, which is infinite, the transformation might cause parts
                 of the background that were originally off-screen to appear.
                 For example, if the root element's background were repeating
-                dots, and a transformation of
-                ''scale(0.5)'' were specified on the
+                dots, and a transformation of <code>scale(0.5)</code> were specified on the
                 root element, the dots would shrink to half their size, but
                 there will be twice as many, so they still cover the whole
                 viewport.
