“额外” 的那个单引号是换码符。
字符和字符串常数支持标准换码序列。
Character and string constants support the standard escape sequences.
第二个UDF执行转换操作，进行换码符替换。
The second UDF performs conversion with substitution escape character replacement.
这通过使用“{%…%}”语法来封装所有换码序列来完成。
This is done by using the "{%... %}" syntax to enclose any escape sequences. Let's illustrate all of this with an example.
这个感叹号是换码符，允许您从交互输入模式或批处理模式发出操作系统命令。
The exclamation mark is an escape character that lets you issue operating system commands from either interactive input mode or batch mode.
在“ r -strings ”中，可能另外组成换码符的反斜杠被当作是常规反斜杠。
In "r-strings," the backslash that might otherwise compose an escaped character is treated as a regular backslash.
你可以查阅XSS防骗部分(REF - 16)来获取更多关于编码类型以及所需要的换码的细节。
Consult the XSS Prevention Cheat Sheet [REF-16] for more details on the types of encoding and escaping that are needed.
通常的换码序列是 "ESC-[31m"，其中 "1"指定前景颜色，可以是任何从0（缺省）到9 的任何数字。
The usual escape sequence is "ESC-[31m", where the "1" specifies the foreground color, and can be any digit from 0 (default) to 9.
另一个需要注意的是需要告诉Zsh在提示符中哪些字符构成换码序列，否则就会假设它们都是可打印字符，光标的位置就会出错。
Another point to be aware of is the need to tell Zsh which characters form escape sequence in a prompt, otherwise it will assume they are all printable characters, and position the cursor incorrectly.
好了，别抱怨了，只需要回到商店，换一件小码一点的衣服就好了。
Well, stop complaining, and just go back to the store and exchange it for a smaller size.
换小码呗~-这就是最小号了…而且这是特小号。
Just get a smaller size. - This is the smallest size, it's the extra small.
换小码呗~-这就是最小号了…而且这是特小号。
Just get a smaller size. - This is the smallest size, it's the extra small.
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