function returns the argument string with whitespace normalized by stripping leading
and trailing whitespace and replacing sequences of whitespace characters by a single
space.
Not() -
Constructor for class com.japisoft.xpath.function.basic.Not
Number - class com.japisoft.xpath.function.basic.Number.
function converts its argument to a number as follows:
a string that consists of optional whitespace followed by an optional minus sign followed by a Number followed by whitespace is
converted to the IEEE 754 number that is nearest (according to the IEEE 754 round-to-nearest rule) to the mathematical value
represented by the string; any other string
is converted to NaN boolean true is converted to 1; boolean false is converted to 0
a node-set is first converted to a string as if by a call to the string function and then converted in the same way as a string argument
an object of a type other than the four basic types is converted to a number in a way that is dependent on that type