[e] (0) Make the XML terminology a bit more precise.

Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=22447
Affected topics: HTML Syntax and Parsing

git-svn-id: http://svn.whatwg.org/webapps@8016 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

@@ -94137,8 +94137,8 @@ <h3 id=writing-xhtml-documents><span class=secno>13.1 </span>Writing XHTML docum
 
   <p class=note>According to the XML specification, XML processors
   are not guaranteed to process the external DTD subset referenced in
-  the DOCTYPE. This means, for example, that using entity references
-  for characters in XHTML documents is unsafe if they are defined in
+  the DOCTYPE. This means, for example, that using character references
+  in XHTML documents is unsafe if they are defined in
   an external file (except for <code title="">&amp;lt;</code>, <code title="">&amp;gt;</code>, <code title="">&amp;amp;</code>, <code title="">&amp;quot;</code> and <code title="">&amp;apos;</code>).</p>
 
 

index

@@ -94137,8 +94137,8 @@ document.body.appendChild(text);
 
   <p class=note>According to the XML specification, XML processors
   are not guaranteed to process the external DTD subset referenced in
-  the DOCTYPE. This means, for example, that using entity references
-  for characters in XHTML documents is unsafe if they are defined in
+  the DOCTYPE. This means, for example, that using character references
+  in XHTML documents is unsafe if they are defined in
   an external file (except for <code title="">&amp;lt;</code>, <code title="">&amp;gt;</code>, <code title="">&amp;amp;</code>, <code title="">&amp;quot;</code> and <code title="">&amp;apos;</code>).</p>
 
 

source

@@ -105198,8 +105198,8 @@ document.body.appendChild(text);
 
   <p class="note">According to the XML specification, XML processors
   are not guaranteed to process the external DTD subset referenced in
-  the DOCTYPE. This means, for example, that using entity references
-  for characters in XHTML documents is unsafe if they are defined in
+  the DOCTYPE. This means, for example, that using character references
+  in XHTML documents is unsafe if they are defined in
   an external file (except for <code title="">&amp;lt;</code>, <code
   title="">&amp;gt;</code>, <code title="">&amp;amp;</code>, <code
   title="">&amp;quot;</code> and <code