def p_font_face_open(self, p):
        """ block_open                : css_font_face t_ws brace_open
        """
        p[0] = Identifier([p[1], p[2]]).parse(self.scope)
def p_font_face_open(self, p):
        """ block_open                : css_font_face t_ws brace_open
        """
        p[0] = Identifier([p[1], p[2]]).parse(self.scope)
def p_font_face_open ( self , p ) : p [ 0 ] = Identifier ( [ p [ 1 ] , p [ 2 ] ] ) . parse ( self . scope )
block_open                : css_font_face t_ws brace_open
block_open : css_font_face t_ws brace_open