importxml-based-on-csspath.txt

=importXml("myurl";; "//span[@class='new_price' and @id='final_price']")

//*[contains(concat(" ", normalize-space(@class), " "), " foo ")]

*[class~="foo"]


<div class="foo bar baz">42</div>
all nodes class="foo":		//*[count( index-of( tokenize( @class, '\s+' ), 'foo' ) ) = 1]