The normalize-space() removes extra whitespace characters from a string.
Syntax:
string normalize-space(value[optional])
Arguments:
- Optionally, a value. If the argument is not a string, it is converted using the rules of the string() function. If no argument is specified, the function uses the string value of the context node.
Result:
- The argument string with all leading whitespace and all trailing whitespace removed, and any sequence of whitespace characters within the string replaced by a single whitespace character.
Defined: XPath, section 4.2.
NS support: Supported.
