[css-text-4] Set up link-defaults to force references to css-text-3 rather than css2.

Author: tabatkins

css-text-4/Overview.bs

@@ -15,6 +15,13 @@ Ignored terms: segment break, segment breaks
 At Risk: The ''preserve-trim'' of the 'text-space-collapse' property
 </pre>
 
+<pre class='link-defaults'>
+spec: css-text-3; type: property
+	text: text-align
+	text: letter-spacing
+	text: word-spacing
+</pre>
+
 <h2 id="intro">
 Introduction</h2>
 
@@ -100,9 +107,9 @@ White Space Collapsing: the 'text-space-collapse' property</h3>
 		<dt><dfn>preserve-spaces</dfn>
 		<dd>
 			This value prevents user agents
-			from collapsing sequences of white space, 
-			and converts tabs and <a>segment breaks</a> to spaces. 
-			(This value is intended to match the behavior 
+			from collapsing sequences of white space,
+			and converts tabs and <a>segment breaks</a> to spaces.
+			(This value is intended to match the behavior
 			of <code>xml:space="preserve"</code> in SVG.)
 
 		<dt><dfn>discard</dfn>
@@ -888,7 +895,7 @@ Character-based Alignment in a Table Column</h3>
 	(of table columns and all content that can be inside table columns).
 	Max-content intrinsic widths need to be split
 	into three numbers (assuming that it's the centers of the
-	alignment character that are aligned): 
+	alignment character that are aligned):
 	one for widths without alignment characters,
 	one for widths on the inline-start side
 	of the center of the alignment character,
@@ -911,7 +918,7 @@ Character-based Alignment in a Table Column</h3>
 	honoring alignment characters in more cases.
 	Another option might be to use whether line-breaking of optional breaks
 	is allowed as a control for which behavior to use.</p>
-	
+
 	<p class="issue">Formally defining the intrinsic width contributions
 	of column-spanning cells with &lt;string&gt; values of
 	'text-align' is a complicated (although straightforward) extension