Add hb-unicode-decode

test/shaping/hb-unicode-decode

+#!/usr/bin/python
+
+import sys
+
+def decode (s):
+	return '<' + ','.join ("U+%04X" % ord (u) for u in unicode (s, 'utf8')) + '>'
+
+if __name__ == '__main__':
+
+	if len (sys.argv) == 1 or ('--stdin' in sys.argv and len (sys.argv) != 2):
+		print "Usage:\n  %s [UNICODE_STRING]...\nor:\n  %s --stdin" % (sys.argv[0], sys.argv[0])
+		sys.exit (1)
+
+	if '--stdin' in sys.argv:
+		sys.argv.remove ('--stdin')
+		for line in sys.stdin.readlines ():
+			print decode (line)
+	else:
+		print ' '.join (decode (x) for x in (sys.argv[1:]))