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<h3 class="section">23.5 Giving information about a plugin</h3>
<p>A plugin should give some information to the user about itself. This
uses the following structure:
<pre class="smallexample"> struct plugin_info
{
const char *version;
const char *help;
};
</pre>
<p>Such a structure is passed as the <code>user_data</code> by the plugin's
init routine using <code>register_callback</code> with the
<code>PLUGIN_INFO</code> pseudo-event and a null callback.
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