diff --git a/advanced-iterators.html b/advanced-iterators.html
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--- a/advanced-iterators.html
+++ b/advanced-iterators.html
@@ -564,7 +564,7 @@ NameError: name '__import__' is not defined</samp></pre>
 <li><a href=http://code.activestate.com/recipes/576615/>Recipe 576615: Alphametics solver</a>, Raymond Hettinger&#8217;s original alphametics solver for Python 2
 <li><a href=http://code.activestate.com/recipes/users/178123/>More of Raymond Hettinger&#8217;s recipes</a> in the ActiveState Code repository
 <li><a href=http://en.wikipedia.org/wiki/Verbal_arithmetic>Alphametics on Wikipedia</a>
-<li><a href=http://www.tkcs-collins.com/truman/alphamet/index.shtml>Alphametics Index</a>, including <a href="ttp://www.tkcs-collins.com/truman/alphamet/alphamet.shtml>lots of puzzles</a> and <a href=http://www.tkcs-collins.com/truman/alphamet/alpha_gen.shtml>a generator to make your own</a>
+<li><a href=http://www.tkcs-collins.com/truman/alphamet/index.shtml>Alphametics Index</a>, including <a href=http://www.tkcs-collins.com/truman/alphamet/alphamet.shtml>lots of puzzles</a> and <a href=http://www.tkcs-collins.com/truman/alphamet/alpha_gen.shtml>a generator to make your own</a>
 </ul>
 
 <p>Many, many thanks to Raymond Hettinger for agreeing to relicense his code so I could port it to Python 3 and use it as the basis for this chapter.
diff --git a/examples/feed-broken.xml b/examples/feed-broken.xml
new file mode 100644
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--- /dev/null
+++ b/examples/feed-broken.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
+  <title>dive into &hellip;</title>
+  <subtitle>currently between addictions</subtitle>
+  <id>tag:diveintomark.org,2001-07-29:/</id>
+  <updated>2009-03-27T21:56:07Z</updated>
+  <link rel="alternate" type="text/html" href="http://diveintomark.org/"/>
+  <entry>
+    <author>
+      <name>Mark</name>
+      <uri>http://diveintomark.org/</uri>
+    </author>
+    <title>Dive into history, 2009 edition</title>
+    <link rel="alternate" type="text/html"
+      href="http://diveintomark.org/archives/2009/03/27/dive-into-history-2009-edition"/>
+    <id>tag:diveintomark.org,2009-03-27:/archives/20090327172042</id>
+    <updated>2009-03-27T21:56:07Z</updated>
+    <published>2009-03-27T17:20:42Z</published>
+    <category scheme="http://diveintomark.org" term="diveintopython"/>
+    <category scheme="http://diveintomark.org" term="docbook"/>
+    <category scheme="http://diveintomark.org" term="html"/>
+    <summary type="html">Putting an entire chapter on one page sounds
+      bloated, but consider this &amp;mdash; my longest chapter so far
+      would be 75 printed pages, and it loads in under 5 seconds&amp;hellip;
+      On dialup.</summary>
+  </entry>
+  <entry>
+    <author>
+      <name>Mark</name>
+      <uri>http://diveintomark.org/</uri>
+    </author>
+    <title>Accessibility is a harsh mistress</title>
+    <link rel="alternate" type="text/html"
+      href="http://diveintomark.org/archives/2009/03/21/accessibility-is-a-harsh-mistress"/>
+    <id>tag:diveintomark.org,2009-03-21:/archives/20090321200928</id>
+    <updated>2009-03-22T01:05:37Z</updated>
+    <published>2009-03-21T20:09:28Z</published>
+    <category scheme="http://diveintomark.org" term="accessibility"/>
+    <summary type="html">The accessibility orthodoxy does not permit people to
+      question the value of features that are rarely useful and rarely used.</summary>
+  </entry>
+  <entry>
+    <author>
+      <name>Mark</name>
+    </author>
+    <title>A gentle introduction to video encoding, part 1: container formats</title>
+    <link rel="alternate" type="text/html"
+      href="http://diveintomark.org/archives/2008/12/18/give-part-1-container-formats"/>
+    <id>tag:diveintomark.org,2008-12-18:/archives/20081218155422</id>
+    <updated>2009-01-11T19:39:22Z</updated>
+    <published>2008-12-18T15:54:22Z</published>
+    <category scheme="http://diveintomark.org" term="asf"/>
+    <category scheme="http://diveintomark.org" term="avi"/>
+    <category scheme="http://diveintomark.org" term="encoding"/>
+    <category scheme="http://diveintomark.org" term="flv"/>
+    <category scheme="http://diveintomark.org" term="GIVE"/>
+    <category scheme="http://diveintomark.org" term="mp4"/>
+    <category scheme="http://diveintomark.org" term="ogg"/>
+    <category scheme="http://diveintomark.org" term="video"/>
+    <summary type="html">These notes will eventually become part of a
+      tech talk on video encoding.</summary>
+  </entry>
+</feed>
diff --git a/files.html b/files.html
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+<!DOCTYPE html>
+<head>
+<meta charset=utf-8>
+<title>Files - Dive into Python 3</title>
+<link rel=stylesheet type=text/css href=dip3.css>
+<style>
+body{counter-reset:h1 12}
+</style>
+<link rel=stylesheet type=text/css media='only screen and (max-device-width: 480px)' href=mobile.css>
+</head>
+<form action=http://www.google.com/cse><div><input type=hidden name=cx value=014021643941856155761:l5eihuescdw><input type=hidden name=ie value=UTF-8>&nbsp;<input name=q size=25>&nbsp;<input type=submit name=sa value=Search></div></form>
+<p>You are here: <a href=index.html>Home</a> <span>&#8227;</span> <a href=table-of-contents.html#strings>Dive Into Python 3</a> <span>&#8227;</span>
+<p id=level>Difficulty level: <span title=intermediate>&#x2666;&#x2666;&#x2666;&#x2662;&#x2662;</span>
+<h1>Files</h1>
+<blockquote class=q>
+<p><span>&#x275D;</span> FIXME <span>&#x275E;</span><br>&mdash; FIXME
+</blockquote>
+<p id=toc>&nbsp;
+<h2 id=divingin>Diving in</h2>
+<p class=f>FIXME
+
+<!--
+OK, so a string is a sequence of Unicode characters. But a file on disk is not a sequence of Unicode characters; a file on disk is a sequence of bytes. So if you read a &#8220;text file&#8221; from disk, how does Python convert that sequence of bytes into a sequence of characters? The answer is that it decodes the bytes according to a specific character encoding algorithm, and returns a sequence of Unicode characters, otherwise known as a string.
+-->
+
+<p class=nav><a rel=prev href=advanced-classes.html title="back to &#8220;Advanced Classes&#8221;"><span>&#x261C;</span></a> <a rel=next href=xml.html title="onward to &#8220;XML&#8221;"><span>&#x261E;</span></a>
+
+<p class=c>&copy; 2001&ndash;9 <a href=about.html>Mark Pilgrim</a>
+<script src=jquery.js></script>
+<script src=dip3.js></script>