最常见的陷阱是错误地包含了控制字符（XML标准不允许使用控制字符）而不是实体。

The most common pitfall is the erroneous inclusion of control characters (which are not allowed by the XML standard) instead of entities.

youdao

所有所谓的控制字符(那些16进制值低于0x20的字符，空格字符)可能会导致您的解析器因为一个无效的标记错误而停止工作。

Any of the so-called control characters (those with a hex value below 0x20, the space character) can cause your parser to stop with an invalid token error.

youdao

所有所谓的控制字符(那些16进制值低于0x20的字符，空格字符)可能会导致您的解析器因为一个无效的标记错误而停止工作。

Any of the so-called control characters (those with a hex value below 0x20, the space character) can cause your parser to stop with an invalid token error.

youdao