# HG changeset patch
# User Simon Sapin <simon.sapin@exyr.org>
# Date 1362671660 -3600
# Node ID 48ca1db78135eeb0792943d01c5b5336c035dd5b
# Parent  2e0acc9682abc3c6cedc5646a8967643f60230a2
[css3-page] Make z-index not optional on page-margin boxes.

WG resolution:
http://lists.w3.org/Archives/Public/www-style/2013Mar/0157.html

diff -r 2e0acc9682ab -r 48ca1db78135 css3-page/Overview.src.html
--- a/css3-page/Overview.src.html	Thu Mar 07 10:14:35 2013 +0100
+++ b/css3-page/Overview.src.html	Thu Mar 07 16:54:20 2013 +0100
@@ -381,7 +381,7 @@
   It remains, however, positioned with respect to the root element
   or page area as usual.
 
-  <p>The UA may support the <code>z-index</code> property for page-margin boxes.
+  <p>The 'z-index' property applies to page-margin boxes.
   With respect to the page-margin boxes,
   the document canvas, page borders, and all of the document contents
   are treated as a single element with a <code>z-index</code> value of '0':
@@ -1517,8 +1517,7 @@
   <a href="#page-property-list">properties that apply to page-margin boxes</a>.
   If a conforming user agent supports any of these properties on block boxes,
   then it <em class="RFC2119">MUST</em> also support that property
-  in the <i>margin context</i>
-  (except for <code>z-index</code>, which is optional for page-margin boxes.)
+  in the <i>margin context</i>.
 
 <p>
   Other properties defined by [[!CSS21]] do not apply in these contexts.