/**
* @param string $name the compound name of the ref entry, e.g. "pq/Connection/exec"
* @param \mdref\Repo $repo the containing repository
*/
public function __construct($name, Repo $repo)
{
$this->repo = $repo;
$this->name = $name;
$this->list = explode("/", $name);
$this->path = $repo->hasEntry($name);
}