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1# Copyright (C) 2016 and later: Unicode, Inc. and others.
2# License & terms of use: http://www.unicode.org/copyright.html
3#
4# Copyright (c) 2002-2015, International Business Machines Corporation and
5# others. All Rights Reserved.
6#
7#  Title Casing Break Rules
8#
9
10!!quoted_literals_only;
11
12$CaseIgnorable   = [[:Mn:][:Me:][:Cf:][:Lm:][:Sk:] \u0027 \u00AD \u2019];
13$Cased           = [[:Upper_Case:][:Lower_Case:][:Lt:]  - $CaseIgnorable];
14$NotCased        = [[^ $Cased] - $CaseIgnorable];
15
16#  If the iterator begins on a CaseIgnorable, advance it past it/them.
17#  This can occur at the start-of-text, or after application of the
18#  safe-reverse rule.
19
20($CaseIgnorable | $NotCased)*;
21
22#   Normal exact forward rule: beginning at the start of a word
23#         (at a cased character), advance through the word and through
24#         the uncased characters following the word.
25
26$Cased ($Cased | $CaseIgnorable)* ($NotCased | $CaseIgnorable)*;
27