' is in XML and HTML5 but not HTML4, ugh!

Author: dbaron

css3-conditional/Overview.html

@@ -794,12 +794,12 @@ <h2 id=at-document><span class=secno>7. </span>Document queries: the
    excluding any fragment identifiers. (This means, for example, that HTTP
    redirects have been followed.) If the styles are being applied inside a
    complete document embedded into the presentation of another (e.g., <a
-   href="#HTML5" rel=biblioentry>[HTML5]<!--{{HTML5}}--></a>&apos;s <code
+   href="#HTML5" rel=biblioentry>[HTML5]<!--{{HTML5}}--></a>&#39;s <code
    class=html>iframe</code>, <code class=html>object</code>, or <code
    class=html>img</code> elements), the relevant URI is that of the frame,
    not of its container. However, if content from other documents is mixed in
    via mechanisms that mix content from one document into another (e.g., <a
-   href="#SVG11" rel=biblioentry>[SVG11]<!--{{SVG11}}--></a>&apos;s
+   href="#SVG11" rel=biblioentry>[SVG11]<!--{{SVG11}}--></a>&#39;s
    <code>use</code> element), then the address of the container document is
    used.
 

css3-conditional/Overview.src.html

@@ -573,12 +573,12 @@ <h2 id="at-document">Document queries: the '@document' rule</h2>
 the URI at which the document is located, excluding any fragment
 identifiers.  (This means, for example, that HTTP redirects have been
 followed.)  If the styles are being applied inside a complete document
-embedded into the presentation of another (e.g., [[HTML5]]&apos;s <code
+embedded into the presentation of another (e.g., [[HTML5]]&#39;s <code
 class="html">iframe</code>, <code class="html">object</code>, or <code
 class="html">img</code> elements), the relevant URI is that of the
 frame, not of its container.  However, if content from other documents
 is mixed in via mechanisms that mix content from one document into
-another (e.g., [[SVG11]]&apos;s <code>use</code> element), then the
+another (e.g., [[SVG11]]&#39;s <code>use</code> element), then the
 address of the container document is used.</p>
 
 <p class="note">Note:  In [[HTML5]], this is the