en-sf-identifier"><code class="xref docutils literal notranslate"><span class="pre">identifier</span></code></a>
<strong id="grammar-token-sf-integer"><span id="grammar-token-integer"></span>integer          </strong> ::=  <a class="reference internal" href="#grammar-token-sf-digit"><code class="xref docutils literal notranslate"><span class="pre">digit</span></code></a>+
<strong id="grammar-token-sf-digit"><span id="grammar-token-digit"></span>digit            </strong> ::=  &quot;0&quot;...&quot;9&quot;
<