[css-text] Prep for publication

Author: fantasai

css-text-3/Overview.bs

@@ -7,6 +7,7 @@ Work Status: Refining
 Group: csswg
 ED: https://drafts.csswg.org/css-text-3/
 TR: https://www.w3.org/TR/css-text-3/
+Previous Version: https://www.w3.org/TR/2017/WD-css-text-3-20170822/
 Previous Version: https://www.w3.org/TR/2013/WD-css-text-3-20131010/
 Previous Version: https://www.w3.org/TR/2012/WD-css3-text-20121113/
 Issue Tracking: Tracker http://www.w3.org/Style/CSS/Tracker/products/10
@@ -483,7 +484,7 @@ Characters and Letters</h3>
 
   <table class="data">
     <colgroup class="header"></colgroup>
-    <colgroup span=3></colgroup>
+    <colgroup span=4></colgroup>
     <thead>
       <tr>
         <th></th>

css-text-4/Overview.bs

@@ -7,6 +7,7 @@ Work Status: Exploring
 Group: csswg
 ED: https://drafts.csswg.org/css-text-4/
 TR: https://www.w3.org/TR/css-text-4/
+Previous Version: https://www.w3.org/TR/2015/WD-css-text-4-20150922/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Koji Ishii, Google, kojiishi@gmail.com, w3cid 45369
 Editor: Alan Stearns, Adobe Systems, stearns@adobe.com, w3cid 46659