Characters with codes higher than 127 will be preceded with m - as in "meta", which is an equivalent of Alt - characters on other systems.

对于代码大于127的字符，它们的前面将会被加上m-(表示“meta”)，这与其它系统中在字符前面加上Alt -相当。

youdao

Characters with codes higher than 127 will be preceded with m - as in "meta", which is an equivalent of Alt - characters on other systems.

对于代码大于127的字符，它们的前面将会被加上m-(表示“meta”)，这与其它系统中在字符前面加上Alt -相当。

youdao