SAX requires you to remember your context. Sometimes a state machine is useful for this.
Suppose you want to convert XML data to tab delimited text so you can load it into a database or spreadsheet
<?xml version="1.0"?><backslash
xmlns:backslash="http://slashdot.org/backslash.dtd">
<story>
<title>The Onion to buy the New York Times</title>
<url>http://slashdot.org/articles/00/02/19/1128240.shtml</url>
<time>2000-02-19 17:25:15</time>
<author>CmdrTaco</author>
<department>stuff-to-read</department>
<topic>media</topic>
<comments>20</comments>
<section>articles</section>
<image>topicmedia.gif</image>
</story>
<story>
<title>Al Gore's Webmaster Answers Your Questions</title>
<url>http://slashdot.org/interviews/00/02/19/0932207.shtml</url>
<time>2000-02-19 17:00:52</time>
<author>Roblimo</author>
<department>political-process-online</department>
<topic>usa</topic>
<comments>49</comments>
<section>interviews</section>
<image>topicus.gif</image>
</story>
<story>
<title>Open Source Africa</title>
<url>http://slashdot.org/articles/00/02/19/1016216.shtml</url>
<time>2000-02-19 16:05:58</time>
<author>emmett</author>
<department>songs-by-toto</department>
<topic>linux</topic>
<comments>50</comments>
<section>articles</section>
<image>topiclinux.gif</image>
</story>
<story>
<title>Microsoft Funded by NSA, Helps Spy on Win Users?</title>
<url>http://slashdot.org/articles/00/02/19/0750247.shtml</url>
<time>2000-02-19 14:07:04</time>
<author>Roblimo</author>
<department>deep-dark-conspiracy-theories</department>
<topic>microsoft</topic>
<comments>154</comments>
<section>articles</section>
<image>topicms.gif</image>
</story>
<story>
<title>X-Men Trailer Released</title>
<url>http://slashdot.org/articles/00/02/18/0829209.shtml</url>
<time>2000-02-19 13:47:06</time>
<author>emmett</author>
<department>mutant</department>
<topic>movies</topic>
<comments>70</comments>
<section>articles</section>
<image>topicmovies.gif</image>
</story>
<story>
<title>Connell Replies to "Grok" Comments</title>
<url>http://slashdot.org/articles/00/02/18/202240.shtml</url>
<time>2000-02-19 05:01:37</time>
<author>Hemos</author>
<department>replying-to-things</department>
<topic>linux</topic>
<comments>197</comments>
<section>articles</section>
<image>topiclinux.gif</image>
</story>
<story>
<title>etoy.com Returns</title>
<url>http://slashdot.org/yro/00/02/18/1739216.shtml</url>
<time>2000-02-19 02:35:06</time>
<author>nik</author>
<department>NP:-gimme-shelter</department>
<topic>internet</topic>
<comments>77</comments>
<section>yro</section>
<image>topicinternet.jpg</image>
</story>
<story>
<title>New Propaganda Series: Rebirth</title>
<url>http://slashdot.org/articles/00/02/18/205232.shtml</url>
<time>2000-02-19 01:05:26</time>
<author>Hemos</author>
<department>as-pretty-as-always</department>
<topic>graphics</topic>
<comments>120</comments>
<section>articles</section>
<image>topicgraphics3.gif</image>
</story>
<story>
<title>Giving Back</title>
<url>http://slashdot.org/features/00/02/18/1631224.shtml</url>
<time>2000-02-18 22:27:26</time>
<author>emmett</author>
<department>salvation-army</department>
<topic>news</topic>
<comments>122</comments>
<section>features</section>
<image>topicnews.gif</image>
</story>
<story>
<title>Connectix Considering Open Sourcing VGS?</title>
<url>http://slashdot.org/articles/00/02/18/1050225.shtml</url>
<time>2000-02-18 20:46:20</time>
<author>emmett</author>
<department>grain-of-salt</department>
<topic>news</topic>
<comments>93</comments>
<section>articles</section>
<image>topicnews.gif</image>
</story>
</backslash>