要知道甚至这个测试都有缺点，因为它假定短语包括空格并且可以自动换行；但对于一些基于非拉丁字符的语言，情况并非如此。
Recognize that even this test has a weakness, since it assumes that phrases will include spaces and can word wrap; this is not true for some non-Latin character-based languages.
另一个要关注的选项是- b，它告知sort忽略空白字符(空格、跳格等等)并将行中的第一个非空白字符当做是排序键的开始。
Another option to watch out for is -b, which tells sort to ignore blank characters (Spaces, tabs, etc.) and treat the first non-blank character on the line as the start of the sort key.
Escape方法会将传入参数中所有的空格、标点符号、重音字符以及其它任何非ascii字符替换为%xx的编码形式，其中xx与其所表示的字符的16进制数表示形式相同。
All Spaces, punctuation, accented characters, and any other non-ASCII characters are replaced with % xx encoding, where xx is equivalent to the hexadecimal number representing the character.
删除不是空格的非首字母字符（空格将搞乱省略符号，但是它是很好的起点）
Strip out nonalpha characters that are not whitespace (which messes up apostrophes, but it's a good place to start)
第二个参数严格匹配一个非字母和数字组成的字符串，该字符串后面依次为空格、整数、另一个空格，最后是一个实数。
The second argument strictly matches a non-alphanumeric string followed by a space followed by an integer followed by another space and finally a real number.
如果我们希望在MathProg名字中使用非ascii字符，那么即使名字中间没有空格，也应该使用双引号将它们括起来。
If you want to use non-ASCII characters in MathProg names, you should use double quotes as well even if there are no Spaces.
单词是由空格和非数字字符作为分隔的。
Words are delimited by white space or characters that are not alphanumeric.
你注意看这句话了吗？是否工程名字或路径包含有非英文字符或空格。
Invalid project name. Please rename project with a valid name. Name must not contain spaces or special characters.
你注意看这句话了吗？是否工程名字或路径包含有非英文字符或空格。
Invalid project name. Please rename project with a valid name. Name must not contain spaces or special characters.
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