 fields” surrounded by curly braces <code class="docutils literal notranslate"><span class="pre">{}</span></code>.
Anything that is not contained in braces is considered literal text, which is
copied unchanged to the output.  If you need to include a brace character in the
literal text, it can be escaped by doubling: <code class="docutils literal notranslate"><span class="pre">{{</span></code> and <code class="docutils literal notranslate"><span class="pre">}}</span></code>.</p>
<p>The grammar for a repla