2.1.2 物理行 Physical lines

A physical line ends in whatever the current platform's convention is for terminating lines. On Unix, this is the ASCII LF (linefeed) character. On Windows, it is the ASCII sequence CR LF (return followed by linefeed). On Macintosh, it is the ASCII CR (return) character.

一个物理行由所在平台的断行符号结束.在Unix上, 是ASCII LF(换行)字符; 在DOS/Windows上, 是ASCII字符序列CR LF(回车加换行); 在Macintosh上, 是ASCII CR(回车)字符.