. . _:vb50819534 . _:vb50819533 "Fran\u00E7ois Yergeau" . . "2006-08-16" . _:vb50819533 . . _:vb50819532 "Eve Maler" . . _:vb50819532 . _:vb50819533 . . _:vb50819532 . _:vb50819530 . _:vb50819531 . _:vb50819529 . _:vb50819531 . "Extensible Markup Language (XML) 1.0 (Fourth Edition)" . _:vb50819531 "Michael Sperberg-McQueen" . . _:vb50819530 "Jean Paoli" . _:vb50819534 . _:vb50819530 . _:vb50819534 . . _:vb50819529 "Tim Bray" . _:vb50819529 .