[css3-page] Define outer width as the width of the outer edge.

Author: SimonSapin

css3-page/Overview.html

@@ -1452,17 +1452,24 @@ <h4 id=margin-box-terms><span class=secno>6.3.1. </span><a
      is used when calculating dimensions of the left and right page-margin
      boxes.
 
+    <dt><dfn id=outer-width>outer width</dfn>
+
+    <dd>The width of the <a
+     href="http://www.w3.org/TR/CSS21/box.html#outer-edge">outer edge</a>, as
+     defined in <a href="#CSS21"
+     rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a>.
+
     <dt><dfn id=outer-min-width>outer min width</dfn>
 
-    <dd>Like the <i>outer width</i>, except that <a
-     href="http://www.w3.org/TR/css3-sizing/#min-content">‘<code
+    <dd>Like the <a href="#outer-width"><i>outer width</i></a>, except that
+     <a href="http://www.w3.org/TR/css3-sizing/#min-content">‘<code
      class=css>min-content</code>’</a> is used when the width is ‘<code
      class=css>auto</code>’.
 
     <dt><dfn id=outer-max-width>outer max width</dfn>
 
-    <dd>Like the <i>outer width</i>, except that <a
-     href="http://www.w3.org/TR/css3-sizing/#max-content">‘<code
+    <dd>Like the <a href="#outer-width"><i>outer width</i></a>, except that
+     <a href="http://www.w3.org/TR/css3-sizing/#max-content">‘<code
      class=css>max-content</code>’</a> is used when ‘<code
      class=property>width</code>’ is ‘<code class=css>auto</code>’.
    </dl>
@@ -1501,8 +1508,8 @@ <h5 id=variable-auto-sizing><span class=secno>6.3.2.2. </span>Resolving
 
    <p>The following algorithm determines the used width of each box. For this
     purpose, boxes that are not <a href="#generated"><i>generated</i></a> are
-    assumed to have a ‘<code class=property>width</code>’ and an <i>outer
-    width</i> of zero.
+    assumed to have a ‘<code class=property>width</code>’ and an <a
+    href="#outer-width"><i>outer width</i></a> of zero.
 
    <p class=note> Note: The high-level goals are (in order of priority) to
     center the middle box (B) if it is generated, to minimize overflow and
@@ -1514,8 +1521,9 @@ <h5 id=variable-auto-sizing><span class=secno>6.3.2.2. </span>Resolving
 
    <ul>
     <li> If only one box has ‘<code class=css>width: auto</code>’, its
-     used width is resolved so that the sum of the <i>outer width</i>s equals
-     <a href="#available-width"><i>available width</i></a>.
+     used width is resolved so that the sum of the <a
+     href="#outer-width"><i>outer width</i></a>s equals <a
+     href="#available-width"><i>available width</i></a>.
 
     <li id=flex-fit> If A and C both have ‘<code class=css>width:
      auto</code>’, distribute the space to each box as follows:

css3-page/Overview.src.html

@@ -1092,6 +1092,11 @@ <h4 id="margin-box-terms"><a id="max-margin-dimension"></a>Page-Margin Box Layou
       This quantity is used when calculating dimensions
       of the left and right page-margin boxes.
 
+    <dt><dfn>outer width</dfn></dt>
+    <dd>The width of the
+      <a href="http://www.w3.org/TR/CSS21/box.html#outer-edge">outer edge</a>,
+      as defined in [[!CSS21]].
+
     <dt><dfn>outer min width</dfn></dt>
     <dd>Like the <i>outer width</i>, except that
     <a href="http://www.w3.org/TR/css3-sizing/#min-content">''min-content''</a>