[css-text-4] change consume-* values to discard-*

Author: astearns

css-text-4/Overview.bs

@@ -98,7 +98,7 @@ White Space Trimming: the 'text-space-trim' property</h3>
 
 	<pre class="propdef">
 	Name: text-space-trim
-	Value: none | trim-inner || consume-before || consume-after
+	Value: none | trim-inner || discard-before || discard-after
 	Initial: collapse
 	Applies to: all elements
 	Inherited: no
@@ -123,12 +123,12 @@ White Space Trimming: the 'text-space-trim' property</h3>
 			For other elements this value directs UAs to discard all whitespace
 			at the beginning and end of the element.
 
-		<dt><dfn>consume-before</dfn>
+		<dt><dfn>discard-before</dfn>
 		<dd>
 			This value directs the UA to collapse all collapsible whitespace
 			immediately before the start of the element.
 
-		<dt><dfn>consume-after</dfn>
+		<dt><dfn>discard-after</dfn>
 		<dd>
 			This value directs the UA to collapse all collapsible whitespace
 			immediately after the end of the element.
@@ -138,7 +138,7 @@ White Space Trimming: the 'text-space-trim' property</h3>
 		<p>The following style rules render DT elements as a comma-separated list:
 		<pre>
 			dt { display: inline; }
-			dt + dt:before { content: ", "; text-space-collapse: consume-before; }
+			dt + dt:before { content: ", "; text-space-collapse: discard-before; }
 		</pre>
 	</div>