boolean() return true for empty nodeset

[tiritea]

boolean() function appears to always return true for a nodeset argument, even when its empty. Whereas according XPAth spec it should return false for an empty node:

The boolean function converts its argument to a boolean as follows:
...
a node-set is true if and only if it is non-empty

[MartijnR]

Thanks! I have in the past thought the same as you.

A node-set is only empty if it doesn't return nodes, i.e. the nodes do not exist. The text content of the nodes is not taken into consideration.

I have a nice codepen for that (using browser's native XPath evaluator): https://codepen.io/MartijnR/pen/YJaBdQ