def&gt;</span></code> tags and plain Python callables which are
invoked via <code class="docutils literal notranslate"><span class="pre">&lt;%namespacename:defname&gt;</span></code> or <code class="docutils literal notranslate"><span class="pre">&lt;%call&gt;</span></code>.</p>
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<div class="section" id="using-blocks">
<span id="blocks"></span><h2>Using Blocks<a class="headerlink" href="#using-blocks" title="Permalink to this headline">¶</a></h2>
<p>The <code class="docutils literal notranslate