Added missing previous version. Replaced some characters by character

entities because one of my editors had trouble with them. Didn't
remove the series of zero-width spaces, but am wondering why they are
there...

Author: bert-github

css3-images/Overview.src.html

@@ -25,6 +25,7 @@ <h2 class="no-num no-toc">[LONGSTATUS] [DATE]</h2>
 		<dd><a href="http://dev.w3.org/csswg/css3-images/">http://dev.w3.org/csswg/css3-images/</a>
 
 		<dt>Previous Version:</dt>
+		<dd><a href="http://www.w3.org/TR/2011/WD-css3-images-20111206/">http://www.w3.org/TR/2011/WD-css3-images-20111206/</a></dd>
 		<dd><a href="http://www.w3.org/TR/2011/WD-css3-images-20110908/">http://www.w3.org/TR/2011/WD-css3-images-20110908/</a></dd>
 		<dd><a href="http://www.w3.org/TR/2011/WD-css3-images-20110712/">http://www.w3.org/TR/2011/WD-css3-images-20110712/</a></dd>
 		<dd><a href="http://www.w3.org/TR/2011/WD-css3-images-20110217/">http://www.w3.org/TR/2011/WD-css3-images-20110217/</a></dd>
@@ -56,7 +57,7 @@ <h2 class="no-num no-toc" id="status">Status of this document</h2>
 
 <!--status-->
 
-<p>​​​​​This specification is a <strong>Last Call Working Draft</strong>. All
+<p>&#8203;&#8203;&#8203;&#8203;&#8203;This specification is a <strong>Last Call Working Draft</strong>. All
    persons are encouraged to review this document and <strong>send comments
    to the <a href="http://lists.w3.org/Archives/Public/www-style/">www-style</a>
 
@@ -272,8 +273,8 @@ <h3 id="image-notation">
 		<p>This should render something like:</p>
 
 		<pre>
-⇒ My bullet is on the left!
-  !THGIR EHT NO SI TELLUB YM ⇐</pre>
+&#8658; My bullet is on the left!
+  !THGIR EHT NO SI TELLUB YM &#8656;</pre>
 
 		<p>In LTR list items, the image will be used as-is.  In the RTL list items, however, it will be flipped in the inline direction, so it still points into the content.</p>
 	</div>
@@ -1282,7 +1283,7 @@ <h3 id="object-fit">
 	<p class="note">Note: the 'object-fit' property has similar semantics to
 	the <code>fit</code> attribute in [[SMIL10]].</p>
 
-	<p class=note>Note: Per the <i title=object-negotiation>CSS⇋Object Negotiation</i>
+	<p class=note>Note: Per the <i title=object-negotiation>CSS&#8651;Object Negotiation</i>
 	algorithm, the <i>concrete object size</i> (or, in this case, the size of the
 	content) does not directly scale the object itself - it is merely passed to
 	the object as information about the size of the visible canvas.  How to then