The ampersand identifies the parameter as the holder of a code block.
该符号将参数识别为代码块的持有者。
You can encode special characters in XML, too. For instance, an ampersand is encoded like this.
也可以用XML对特殊字符进行编码。
They use the percent (%) symbol instead of the ampersand, and can be either named entities or external entities.
它们使用百分号（%）而不是与字符，可以是命名实体或外部实体。
One thing to note in this particular output is that you replace any bare ampersand (&) characters with the word "and".
这里要注意的是其中的与符号（&）都换成了单词 “and”。
Finally, we put the whole lot in parentheses to make a command list and put the entire list in the background using an ampersand.
最后，我们将所有代码放在一对圆括号中构成一个命令列表，然后使用与号将整个列表放到后台。
The ampersand applies to the next character in the name and causes the character to be underlined when the menu item is displayed.
和符号应用于名称中和符号旁边的字符，使得在显示菜单项时该字符有下划线。
You can stack those up by simply adding an ampersand (&) between successive name/value pairs, like this: name=jennifer&job=president.
只需简单地在连续的名称/值对之间添加一个 “与” 符号（&），即可将其放在一起，就像这样：name=jennifer&job=president。
Most XML and HTML developers are familiar with entity references, the odd little XML constructs you often see that begin with an ampersand (&) and end with a semicolon (;).
大多数XML和HTML开发人员都熟悉实体引用，一种常见的有点奇怪的 XML结构，以& 符号开始，以分号 (;)结束。
Most XML and HTML developers are familiar with entity references, the odd little XML constructs you often see that begin with an ampersand (&) and end with a semicolon (;).
大多数XML和HTML开发人员都熟悉实体引用，一种常见的有点奇怪的 XML结构，以& 符号开始，以分号 (;)结束。
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