# Copyright (C) 2011-2013, Google Inc. and others. All Rights Reserved. ::NFD(); # Remove \0301 following Greek, with possible intervening 0308 marks. # [[:Greek:] & [:Ll:]] [\u0308]? { \u0301 → ; # Make any string of letters after a cased letter be lower, with rules for sigma [:cased:] [:case-ignorable:]* { Σ } [:case-ignorable:]* [:cased:] → σ; [:cased:] [:case-ignorable:]* { Σ → ς; [:cased:] [:case-ignorable:]* { (.) → &Any-Lower($1) ; # Otherwise all lowercase go to upper (titlecase stay as is) ([:Lowercase:]) → &Any-Title($1) ; ::NFC();