function validate( node ) {
		var comments;
		var current;
		var msg;
		var i;

		comments = source.getAllComments( node );
		for ( i = 0; i < comments.length; i++ ) {
			current = comments[ i ];
			msg = checkComment( current );
			if ( msg ) {
				report( current.loc, msg );
			}
		}
	}
Checks whether return annotations in the current program contain only quoted property names.

@private
@param {ASTNode} node - node to examine