Quote the few unquoted ids, for consistency and to make my editor's syntax highlighting happy.

Author: tabatkins

css-module/Overview.src.html

@@ -61,7 +61,7 @@ <h2 class="no-num no-toc">[LONGSTATUS] [DATE]</h2>
 <hr title="Separator for header">
 </div>
 
-<h2 class="no-num no-toc" id=abstract>Abstract</h2>
+<h2 class="no-num no-toc" id="abstract">Abstract</h2>
 
   <p>CSS is a language for describing the rendering of structured documents
   (such as HTML and XML) on screen, on paper,  in speech, etc. This module
@@ -70,7 +70,7 @@ <h2 class="no-num no-toc" id=abstract>Abstract</h2>
   which builds on CSS level&nbsp;1 [[CSS1]].
   The main extensions compared to level&nbsp;2 are <var class="replaceme">SUMMARIZE HERE</var>.
 
-<h2 class="no-num no-toc" id=status>Status of this document</h2>
+<h2 class="no-num no-toc" id="status">Status of this document</h2>
 
 <!--status-->
 
@@ -403,11 +403,11 @@ <h3 id="cr-exit-criteria">
   <p>The specification will remain Candidate Recommendation for at least
   six months.
 
-<h2 class=no-num id=acknowledgments>Acknowledgments</h2>
+<h2 class=no-num id="acknowledgments">Acknowledgments</h2>
 
   <p><var class="replaceme">[acknowledgments]</var></p>
 
-<h2 class=no-num id=references>References</h2>
+<h2 class=no-num id="references">References</h2>
 
 
 <h3 class="no-num" id="normative-references">Normative references</h3>