e>=*attr</code> (<code>=*?</code> or <code>=*?attr</code> if the property is optional).</p>
</li>
<li><p><code>&amp;</code> or <code>&amp;attr</code> - provides a way to execute an expression in the context of the parent scope.
If no <code>attr</code> name is specified then the attribute name is assumed to be the same as the
local name. Given <code>&lt;widget my-attr=&quot;count = count + value&quot;&gt;</code> and widget definition of
<code>scope: { localFn:&#39;&amp;myAttr&#39; }</code>, then isolate scop