Once the database has been built, it is supposed to be used with a CGI script and a local webserver. The CGI script is on the wikipedia page indeed, but it is kind of ugly so I didn't post it here as I am not much proud of it :) A CGI is easy to write anyway. Notice that it requires Text::Mediawiki in order to turn wiki format into HTML.
As for checking errors during file openings and writings, I'll try to correct this.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
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tags should generally be avoided. If they must
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Want more info? How to link or
or How to display code and escape characters
are good places to start.