l Flags</a></h2>
<p>Flag names should be unique for addressing reasons. However, it is often the case that you need to have simple and ubiquitous names like <code>loop</code> or <code>return</code>. For this purpose exist the so-called "local" flags, which are tied to the function where they reside. It is possible to add them using <code>f.</code> command:</p>
<h1 id="flag-spaces"><a class="header" href="#flag-spaces">Flag Spaces</a></h1>
<p>Flags can be grouped into flag spaces - is a namespace for flags, 