XPath Boolean Functions
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4/8/2010
The XML Path Language (XPath) syntax supports Boolean functions that return strings or numbers, and can be used with comparison operators in filter patterns.
The following table shows the Boolean functions implemented by XPath.
Function | Description |
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Converts the argument to a Boolean. |
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Returns False. |
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Returns True if the xml:lang attribute of the context node is the same as the argument string. |
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Returns True if the argument is false, and a false otherwise. |
|
Returns True. |