global

def read_encodings
  encfilename = File.expand_path '../../../data/encoding-fallbacks.txt', __FILE__
  encfile = File.read(encfilename, coding: "UTF-8")
  Hash[encfile.lines.map{|l|
         l.chomp!;
         x, s = l.split(" ", 2)
         [x.hex.chr(Encoding::UTF_8), s || " "]}]
end