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    <title>Embedding Tcl in HTML</title>
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    <? prevnext "<h1>Embedding Tcl in HTML</h1>" ?>

Rivet scripts look something like this:

    <pre>
<span class="variable-name">&lt;html&gt;</span>
  <span class="variable-name">&lt;body&gt;</span>
    <span class="type">&lt;h1&gt;</span><span class="function-name">Rivet Example</span><span class="type">&lt;/h1&gt;</span>
<span class="type">&lt;?
puts &quot;The time is now:&quot;
puts [clock format [clock seconds]]
?&gt;</span>

  <span class="variable-name">&lt;/body&gt;</span>
<span class="variable-name">&lt;/html&gt;</span>
</pre>

The challenge is to turn that into something that can be executed as
    Tcl code.  The solution is pretty obvious...

    <?footer?>
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