Bug#668945: xpdf can not display ToC in UTF-8/can't search for Unicode

I've now merged the Unicode changes into xpopple's master branch in Git, which should fix both #668945 and #946270. Because these changes convert xpdf to use Motif 2.3 renderTables and Xft fonts, using the default Sans-Serif, Serif and Monospace aliases that should always be available, it should

Bug#668945: xpdf can not display ToC in UTF-8

This bug is related to #946270 ("xpdf: can't search for various Unicode characters") -- traditional xpdf doesn't enable Motif's localisation support, so it can only disable ISO-8859-1 characters in the UI. I've got some patches now for xpopple that enable localisation and fix searching and