[css-text-4] more text-wrap:balance tweaks

Author: astearns

css-text-4/Overview.bs

@@ -197,16 +197,19 @@ Text Wrap Settings: the 'text-wrap' property</h3>
 			For block-level elements that 
 			contain line boxes as direct children, 
 			line breaks are chosen to balance 
-			the <a>inline-size</a> those line boxes consume. 
+			the <a>inline-size</a> those line boxes consume, 
+			if better balance than ''text-wrap/normal'' is possible. 
 			This must not change the number of line boxes 
 			the block would contain 
 			if 'text-wrap' were set to ''text-wrap/normal''.
 
 			For balancing purposes, 
 			the <a>inline-size</a> to consider includes 
 			any length taken up 
-			by floats that shorten the line box.
-			Line boxes are balanced when the deviation 
+			by floats that shorten the line box. 
+			The <a>inline-size</a> to consider comes before 
+			any adjustments for justification.
+			Line boxes are balanced when the standard deviation 
 			from the average <a>inline-size</a> consumed
 			is reduced over the block
 			(including lines that end in a forced break).

css-text-4/Overview.html

@@ -32,7 +32,7 @@
       <h1 class="p-name no-ref" id="title">CSS Text Module Level 4</h1>
 
       <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Unofficial Proposal Draft,
-    <time class="dt-updated" datetime="2015-01-26">26 January 2015</time></span></h2>
+    <time class="dt-updated" datetime="2015-01-27">27 January 2015</time></span></h2>
 
       <div data-fill-with="spec-metadata">
         <dl>
@@ -57,7 +57,7 @@ <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="cont
 
       <div data-fill-with="warning"></div>
 
-      <p class="copyright" data-fill-with="copyright"><a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2014 <a href="http://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr></a><sup>®</sup> (<a href="http://www.csail.mit.edu/"><abbr title="Massachusetts Institute of Technology">MIT</abbr></a>, <a href="http://www.ercim.eu/"><abbr title="European Research Consortium for Informatics and Mathematics">ERCIM</abbr></a>, <a href="http://www.keio.ac.jp/">Keio</a>, <a href="http://ev.buaa.edu.cn/">Beihang</a>), All Rights Reserved. W3C <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>, <a href="http://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a> and <a href="http://www.w3.org/Consortium/Legal/copyright-documents">document use</a> rules apply.
+      <p class="copyright" data-fill-with="copyright"><a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2015 <a href="http://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr></a><sup>®</sup> (<a href="http://www.csail.mit.edu/"><abbr title="Massachusetts Institute of Technology">MIT</abbr></a>, <a href="http://www.ercim.eu/"><abbr title="European Research Consortium for Informatics and Mathematics">ERCIM</abbr></a>, <a href="http://www.keio.ac.jp/">Keio</a>, <a href="http://ev.buaa.edu.cn/">Beihang</a>), All Rights Reserved. W3C <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>, <a href="http://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a> and <a href="http://www.w3.org/Consortium/Legal/copyright-documents">document use</a> rules apply.
 </p>
 
       <hr title="Separator for header">
@@ -521,7 +521,8 @@ <h3 class="heading settled" data-level="5.1" id="text-wrap"><span class="secno">
 			For block-level elements that 
 			contain line boxes as direct children, 
 			line breaks are chosen to balance 
-			the <a data-link-type="dfn" href="http://dev.w3.org/csswg/css-writing-modes-3/#inline-size">inline-size</a> those line boxes consume. 
+			the <a data-link-type="dfn" href="http://dev.w3.org/csswg/css-writing-modes-3/#inline-size">inline-size</a> those line boxes consume, 
+			if better balance than <a class="css" data-link-for="text-wrap" data-link-type="maybe" href="#valdef-text-wrap-normal">normal</a> is possible. 
 			This must not change the number of line boxes 
 			the block would contain 
 			if <a class="property" data-link-type="propdesc" href="#propdef-text-wrap">text-wrap</a> were set to <a class="css" data-link-for="text-wrap" data-link-type="maybe" href="#valdef-text-wrap-normal">normal</a>.
@@ -530,8 +531,10 @@ <h3 class="heading settled" data-level="5.1" id="text-wrap"><span class="secno">
           <p>For balancing purposes,
 			the <a data-link-type="dfn" href="http://dev.w3.org/csswg/css-writing-modes-3/#inline-size">inline-size</a> to consider includes 
 			any length taken up 
-			by floats that shorten the line box.
-			Line boxes are balanced when the deviation 
+			by floats that shorten the line box. 
+			The <a data-link-type="dfn" href="http://dev.w3.org/csswg/css-writing-modes-3/#inline-size">inline-size</a> to consider comes before 
+			any adjustments for justification.
+			Line boxes are balanced when the standard deviation 
 			from the average <a data-link-type="dfn" href="http://dev.w3.org/csswg/css-writing-modes-3/#inline-size">inline-size</a> consumed
 			is reduced over the block
 			(including lines that end in a forced break).</p>