<p>Modules can make documentation available to other modules with this module. All user help should be presented using this module. Some examples of help: </p>
<ul>
<li>The module's help text, displayed on the <a href="@help">help page</a> and through the module's individual help link.</li>
<li>More elaborate help text on sites a module defines.</li>
<li>The help for a distributed authorization module (if applicable).</li>
</ul>
