[css-conditional] Export a definition, and fix some Bikeshed warnings

Author: tabatkins

css-conditional/Overview.bs

@@ -66,9 +66,9 @@ At Risk: The @supports rule is at risk; if interoperable implementations are not
 <h3 id="placement">Module Interactions</h3>
 
   <p>This module replaces and extends the '@media' rule
-  feature defined in [[!CSS21]] section <var>7.2.1</var> and
+  feature defined in [[!CSS21]] section 7.2.1 and
   incorporates the modifications previously made non-normatively by
-  [[!MEDIAQ]] section <var>1</var>.</p>
+  [[!MEDIAQ]] section 1.</p>
 
   <p>Its current definition depends on @-rules defined in [[!CSS3-FONTS]]
   and [[!CSS3-ANIMATIONS]], but that dependency is only on the
@@ -85,7 +85,7 @@ At Risk: The @supports rule is at risk; if interoperable implementations are not
 
 <h2 id="processing">Processing of conditional group rules</h2>
 
-<p>This specification defines some CSS @-rules, called <dfn>conditional
+<p>This specification defines some CSS @-rules, called <dfn export lt="conditional group rule">conditional
 group rules</dfn>, that associate a condition with a group of other
 CSS rules.  These different rules allow testing different types of
 conditions, but share common behavior for how their contents are used
@@ -1072,3 +1072,12 @@ Zack Weinberg,
 Estelle Weyl,
 Boris Zbarsky,
 and all the rest of the <a href="http://lists.w3.org/Archives/Public/www-style/">www-style</a> community.
+
+<h2 class=no-num id=priv-sec>Privacy and Security Considerations</h2>
+
+This spec introduces no new security considerations.
+
+While this spec does modify the definition of the ''@media'' rule,
+which does have some privacy considerations,
+the modifications defined here do not have any effect on the privacy considerations for ''@media''.
+No other feature in this spec has any privacy considerations.