# File lib/math_ml/latex.rb, line 114
                        def scan_any(remain_space=false)
                                p = pos
                                scan_space
                                r = remain_space ? matched.to_s : ""
                                case
                                when s = scan_block
                                when s = scan_command
                                else
                                        unless _scan(/./) || remain_space
                                                self.pos = p
                                                return nil
                                        end
                                        s = matched.to_s
                                end
                                r << s
                        end