Support for functional pseudo-elements #29
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Some modifications to the parser to explicitly handle pseudo-elements and functional pseudo-elements.
XPath translation happens in
xpath_xxxx_functional_pseudo_element
andxpath_xxxx_pseudo_element
which are probably not the best method name patterns.A new flag in
GenericTranslator
is used to handle these customizations or keep original behaviour.This is somewhat related to scrapy/scrapy#176 (though I'm not sure that very PR will use pseudo-elements in the end)