Note that using the generic application/octet-stream MIME type for information you want the browser to simply save and not render won't always work under some (all?) versions of Internet Explorer. IE has a tendency of taking the MIME type with a grain of salt and doing further examination of the file's extension to determine whether or not IE should attempt to render the content internally. MS Office files (e.g. .doc) are notoriously difficult to bring up a "Save As" dialog, because some versions of IE insist on rendering it in an embedded MS Word window.
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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>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.