Error in XPath floor() and ceiling()

In XPath1.0 and XQuery1.0 and XPath2.0 Functions and Operators,
it said floor() returns the _largest_ interger and ceiling()
returns the _smallest_ integer, I believes it is a mistake.

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 franky(at)frankylam.com       | ',-.,-.-.
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main(O)<%return putchar(O?O/0x10-0x11-(O&O)+
main(O<<010)-(O>>010-1)-(O>>0x10-0x1)+(O&O)*
(0x10<<O)+(O>>11):putchar('#'<<1)+O[",":>);}
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