e number of things you can do with <code class="docutils literal notranslate"><span class="pre">&lt;%call&gt;</span></code> and/or the
<code class="docutils literal notranslate"><span class="pre">&lt;%namespacename:defname&gt;</span></code> calling syntax is enormous. You can
create form widget libraries, such as an enclosing <code class="docutils literal notranslate"><span class="pre">&lt;FORM&gt;</span></code>
tag and nested HTML input elements, or portable wrapping schemes
using <code class="docutils lit