/**
  * Evaluates this node
  *
  * @param  com.github.mustache.Context $context the rendering context
  * @return string
  */
 public function evaluate($context)
 {
     $value = $context->lookup($this->name);
     if ($context->isCallable($value)) {
         $rendered = $context->asRendering($value, $this, $this->options);
     } else {
         $rendered = $context->asString($value);
     }
     return $this->escape ? htmlspecialchars($rendered) : $rendered;
 }