Specify more explicitly that flex-order reordering is done before baseline computation.

Author: tabatkins

css3-flexbox/Overview.html

@@ -504,19 +504,22 @@ <h2 id=display-flexbox><span class=secno>3. </span> New values for
 
   <ul>
    <li> If any of the <a href="#flexbox-item"><i>flexbox items</i></a> on the
-    flexbox's first line have a computed value of &lsquo;<a
-    href="#flex-align-baseline"><code class=css>baseline</code></a>&rsquo;
-    for &lsquo;<a href="#flex-item-align"><code
+    flexbox's first line (after reordering with &lsquo;<a
+    href="#flex-order0"><code class=property>flex-order</code></a>&rsquo;)
+    have a computed value of &lsquo;<a href="#flex-align-baseline"><code
+    class=css>baseline</code></a>&rsquo; for &lsquo;<a
+    href="#flex-item-align"><code
     class=property>flex-item-align</code></a>&rsquo;, the flexbox's baseline
     is the baseline of those <a href="#flexbox-item"><i>flexbox
     items</i></a>.
 
    <li> Otherwise, if the flexbox has at least one <a
-    href="#flexbox-item"><i>flexbox item</i></a>, and its first <a
-    href="#flexbox-item"><i>flexbox item</i></a>&apos;s baseline is parallel
-    to the flexbox's <a href="#main-axis"><i>main axis</i></a>, the flexbox's
-    baseline is the baseline of its first <a href="#flexbox-item"><i>flexbox
-    item</i></a>.
+    href="#flexbox-item"><i>flexbox item</i></a>, and the baseline of its
+    first <a href="#flexbox-item"><i>flexbox item</i></a> (after reordering
+    with &lsquo;<a href="#flex-order0"><code
+    class=property>flex-order</code></a>&rsquo;) is parallel to the flexbox's
+    <a href="#main-axis"><i>main axis</i></a>, the flexbox's baseline is the
+    baseline of its first <a href="#flexbox-item"><i>flexbox item</i></a>.
 
    <li> Otherwise, the flexbox's baseline is the "after" edge of its content
     box.

css3-flexbox/Overview.src.html

@@ -176,12 +176,15 @@ <h2 id='display-flexbox'>
 	<ul>
 		<li>
 			If any of the <i>flexbox items</i> on the flexbox's first line 
+			(after reordering with 'flex-order')
 			have a computed value of ''baseline'' for 'flex-item-align', 
 			the flexbox's baseline is the baseline of those <i>flexbox items</i>.
 
 		<li>
 			Otherwise, if the flexbox has at least one <i>flexbox item</i>,
-			and its first <i>flexbox item</i>&apos;s baseline is parallel to the flexbox's <i>main axis</i>,
+			and the baseline of its first <i>flexbox item</i>
+			(after reordering with 'flex-order')
+			is parallel to the flexbox's <i>main axis</i>,
 			the flexbox's baseline is the baseline of its first <i>flexbox item</i>.
 
 		<li>