Fix nokogiri's parse_file as, like rexml, it can't seem to handle file:
Fix nokogiri's parse_file as, like rexml, it can't seem to handle file:

Empact/roxml,Empact/roxml,apotonick/representable,tastyworks/representable,simonoff/representable,boutil/roxml,boutil/roxml,tastyworks/representable,irfanah/representable,Casecommons/representable,parndt/representable,jajuki13/representable,rusikf/representable,yob/roxml,jarib/roxml