• last(), number
• position(), number
• count(node-set), number
• id(obj), number
• local-name(node-set = self::node()), string
• namespace-uri(node-set = self::node()), string
• name(node-set = self::node()), string
• string(object = self::node()), string
• concat(string, string, string*), string
• starts-with(string, string), boolean
• contains(string, string), boolean
• substring-before(string, string), string
• substring-after(string, string), string
• substring(string, number, number = string-length), string
• string-length(string = string(self::node())), number
• normalize-space(string = string(self::node())), string
• translate(string, string, string), string
• boolean(object), boolean
• not(boolean), boolean
• true(), boolean
• false(), boolean
• lang(string), boolean
• number(object = self::node()), number
• sum(node-set), number
• floor(number), number
• ceiling(number), number
• round(number), number

• child 子
• parent (..) 親
• attribute (@) 属性
• descendant-or-self (//)
• self (.)
• descendant 子孫
• ancestor 祖先
• following-sibling 後兄弟
• preceding-sibling 前兄弟
• following 後
• preceding 前
• namespace
• ancestor-or-self

• comment()
• text()
• processing-instruction([target])
• node()

.

self::node()

..

parent::node()

//

descendant-or-self::node()

@

attribute::

@ 以外は軸とノードテストを合わせた省略形

http://lowreal.net/logs/2006/01/03/1#content