make the terminology more correct by using CSS layout box associated with the element rather than just element

Author: annevk

cssom-view/Overview.html

@@ -1137,28 +1137,30 @@ <h3 id=offset-attributes><span class=secno>6.1. </span>The <code
   <ol>
    <li>
     <p>If the element is <a href="#the-html-body-element">the HTML
-     <code>body</code> element</a> or does not have an associated CSS layout
+     <code>body</code> element</a> or does not have any associated CSS layout
      box return zero and terminate this algorithm.
 
    <li>
     <p>If the <a
      href="#dom-htmlelement-offsetparent"><code>offsetParent</code></a> of
      the element is null return the y-coordinate of the top <a
-     href="#border-edge">border edge</a> of the element, relative to the <a
+     href="#border-edge">border edge</a> of the first CSS layout box
+     associated with the element, relative to the <a
      href="#initial-containing-block">initial containing block</a> origin,
      and terminate this algorithm.
 
    <li>
     <p>Return the result of subtracting the y-coordinate of the top <a
-     href="#padding-edge">padding edge</a> of the <a
+     href="#padding-edge">padding edge</a> of the first CSS layout box
+     associated with the <a
      href="#dom-htmlelement-offsetparent"><code>offsetParent</code></a> of
      the element from the y-coordinate of the top <a
-     href="#border-edge">border edge</a> of the element, relative to the <a
+     href="#border-edge">border edge</a> of the first CSS layout box
+     associated with the element, relative to the <a
      href="#initial-containing-block">initial containing block</a> origin.</p>
 
-    <p>In case of an inline element that consists of multiple line boxes only
-     the first in content order is to be considered for the purposes of the
-     above algorithm.</p>
+    <p class=note>An inline element that consists of multiple line boxes will
+     only have its first CSS layout box considered.</p>
   </ol>
 
   <p>The <dfn id=dom-htmlelement-offsetleft><code>offsetLeft</code></dfn>
@@ -1167,54 +1169,53 @@ <h3 id=offset-attributes><span class=secno>6.1. </span>The <code
   <ol>
    <li>
     <p>If the element is <a href="#the-html-body-element">the HTML
-     <code>body</code> element</a> or does not have an associated CSS layout
+     <code>body</code> element</a> or does not have any associated CSS layout
      box return zero and terminate this algorithm.
 
    <li>
     <p>If the <a
      href="#dom-htmlelement-offsetparent"><code>offsetParent</code></a> of
      the element is null return the x-coordinate of the left <a
-     href="#border-edge">border edge</a> of the element, relative to the <a
+     href="#border-edge">border edge</a> of the first CSS layout box
+     associated with the element, relative to the <a
      href="#initial-containing-block">initial containing block</a> origin,
      and terminate this algorithm.
 
    <li>
     <p>Return the result of subtracting the x-coordinate of the left <a
-     href="#padding-edge">padding edge</a> of the <a
+     href="#padding-edge">padding edge</a> of the first CSS layout box
+     associated with the <a
      href="#dom-htmlelement-offsetparent"><code>offsetParent</code></a> of
      the element from the x-coordinate of the left <a
-     href="#border-edge">border edge</a> of the element, relative to the <a
+     href="#border-edge">border edge</a> of the first CSS layout box
+     associated with the element, relative to the <a
      href="#initial-containing-block">initial containing block</a> origin.</p>
-
-    <p>In case of an inline element that consists of multiple line boxes only
-     the first in content order is to be considered for the purposes of the
-     above algorithm.</p>
   </ol>
 
   <p>The <dfn id=dom-htmlelement-offsetwidth><code>offsetWidth</code></dfn>
    attribute <em class=ct>must</em> return the result of running these steps:
 
   <ol>
    <li>
-    <p>If the element does not have an associated CSS layout box return zero
+    <p>If the element does not have any associated CSS layout box return zero
      and terminate this algorithm.
 
    <li>
-    <p>Return the <a href="#border-edge">border edge</a> width of the
-     element.
+    <p>Return the <a href="#border-edge">border edge</a> width of the first
+     CSS layout box associated with the element.
   </ol>
 
   <p>The <dfn id=dom-htmlelement-offsetheight><code>offsetHeight</code></dfn>
    attribute <em class=ct>must</em> return the result of running these steps:
 
   <ol>
    <li>
-    <p>If the element does not have an associated CSS layout box return zero
+    <p>If the element does not have any associated CSS layout box return zero
      and terminate this algorithm.
 
    <li>
-    <p>Return the <a href="#border-edge">border edge</a> height of the
-     element.
+    <p>Return the <a href="#border-edge">border edge</a> height of the first
+     CSS layout box associated with the element.
   </ol>
 
   <h2 id=extensions-to-the-range-interface><span class=secno>7.

cssom-view/Overview.src.html

@@ -938,24 +938,25 @@ <h3 id="offset-attributes">The <code title="">offsetParent</code>,
 
   <ol>
    <li><p>If the element is <span>the HTML <code>body</code> element</span>
-   or does not have an associated CSS layout box return zero and terminate
+   or does not have any associated CSS layout box return zero and terminate
    this algorithm.</p></li>
 
    <li><p>If the <code>offsetParent</code> of the element is null return the
-   y-coordinate of the top <span>border edge</span> of the element, relative
-   to the <span>initial containing block</span> origin, and terminate this
+   y-coordinate of the top <span>border edge</span> of the first
+   CSS layout box associated with the element, relative to the
+   <span>initial containing block</span> origin, and terminate this
    algorithm.</p></li>
 
    <li>
     <p>Return the result of subtracting the y-coordinate of the top
-    <span>padding edge</span> of the <code>offsetParent</code> of
-    the element from the y-coordinate of the top <span>border edge</span>
-    of the element, relative to the <span>initial containing block</span>
+    <span>padding edge</span> of the first CSS layout box associated with
+    the <code>offsetParent</code> of the element from the y-coordinate of
+    the top <span>border edge</span> of the first CSS layout box associated
+    with the element, relative to the <span>initial containing block</span>
     origin.</p>
 
-    <p>In case of an inline element that consists of multiple line boxes
-    only the first in content order is to be considered for the purposes of
-    the above algorithm.</p>
+    <p class="note">An inline element that consists of multiple line boxes
+    will only have its first CSS layout box considered.</p>
    </li>
   </ol>
 
@@ -965,24 +966,22 @@ <h3 id="offset-attributes">The <code title="">offsetParent</code>,
 
   <ol>
    <li><p>If the element is <span>the HTML <code>body</code>
-   element</span> or does not have an associated CSS layout box return zero
+   element</span> or does not have any associated CSS layout box return zero
    and terminate this algorithm.</p></li>
 
    <li><p>If the <code>offsetParent</code> of the element is null return the
-   x-coordinate of the left <span>border edge</span> of the element,
-   relative to the <span>initial containing block</span> origin, and
-   terminate this algorithm.</p></li>
+   x-coordinate of the left <span>border edge</span> of the first
+   CSS layout box associated with the element, relative to the
+   <span>initial containing block</span> origin, and terminate this
+   algorithm.</p></li>
 
    <li>
     <p>Return the result of subtracting the x-coordinate of the left
-    <span>padding edge</span> of the <code>offsetParent</code> of
-    the element from the x-coordinate of the left <span>border edge</span>
-    of the element, relative to the <span>initial containing block</span>
+    <span>padding edge</span> of the first CSS layout box associated with
+    the <code>offsetParent</code> of the element from the x-coordinate of
+    the left <span>border edge</span> of the first CSS layout box associated
+    with the element, relative to the <span>initial containing block</span>
     origin.</p>
-
-    <p>In case of an inline element that consists of multiple line boxes
-    only the first in content order is to be considered for the purposes of
-    the above algorithm.</p>
    </li>
   </ol>
 
@@ -992,10 +991,11 @@ <h3 id="offset-attributes">The <code title="">offsetParent</code>,
   steps:</p>
 
   <ol>
-   <li><p>If the element does not have an associated CSS layout box return
+   <li><p>If the element does not have any associated CSS layout box return
    zero and terminate this algorithm.</p></li>
 
-   <li><p>Return the <span>border edge</span> width of the element.</p></li>
+   <li><p>Return the <span>border edge</span> width of the first
+   CSS layout box associated with the element.</p></li>
   </ol>
 
   <p>The
@@ -1004,11 +1004,11 @@ <h3 id="offset-attributes">The <code title="">offsetParent</code>,
   steps:</p>
 
   <ol>
-   <li><p>If the element does not have an associated CSS layout box return
-   zero and terminate  this algorithm.</p></li>
+   <li><p>If the element does not have any associated CSS layout box return
+   zero and terminate this algorithm.</p></li>
 
-   <li><p>Return the <span>border edge</span> height of the
-   element.</p></li>
+   <li><p>Return the <span>border edge</span> height of the first
+   CSS layout box associated with the element.</p></li>
   </ol>