为什么这些用于访问新查看器端口的URL没有上文指出的简易架构那么漂亮，而包含所有这些特殊字符呢？
Why are these URLs, being used to address the new viewer portlet, not as pretty as the simple schema indicated above, but instead contain all these special characters?
但极少量的特殊字符确实没有妨碍可读性。
But readability is really not harmed by the very light sprinkling of special characters.
XHTML规范使用命名实体来表示ISO 8859 - 1 (Latin 1)字符集中包含的、但在多数键盘上没有的特殊字符。
The XHTML specification USES named entities to represent the special characters found in the ISO 8859-1 (Latin 1) character set, but not found on most keyboards.
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