Most control characters and unicode compatibility characters are not allowed 大多數(shù)控制字符和unicode兼容性字符都不允許使用。
Content within cdata sections must be within the range of characters permitted for xml content ; control characters and compatibility characters cannot be escaped this way Cdata節(jié)中的內(nèi)容必須在xml內(nèi)容允許的字符范圍內(nèi);控制字符和兼容性字符不能通過這種方式轉(zhuǎn)義。