Loads all the child entries of the input template from the 
        specified root element.

def _load_entries(self, root):
        """Loads all the child entries of the input template from the 
        specified root element."""
        mdict = {
            "comments": self._comment,
            "line": self._line,
            "group": self._group
        }
        for entry in root:
            mdict[entry.tag](entry)