ICU 56 update step 1

source/data/brkitr/sent.txt

Index: source/data/brkitr/sent.txt
diff --git a/source/data/brkitr/sent.txt b/source/data/brkitr/sent.txt
index b2726802c6e701362cf2c7953d41819069151f64..0061d50592ea830d1e363aeac38f155a482a7a1a 100644
--- a/source/data/brkitr/sent.txt
+++ b/source/data/brkitr/sent.txt
@@ -1,12 +1,12 @@
 #
-#   Copyright (C) 2002-2011, International Business Machines Corporation and others.
+#   Copyright (C) 2002-2015, International Business Machines Corporation and others.
 #       All Rights Reserved.
 #
 #   file:  sent.txt
 #
 #   ICU Sentence Break Rules
 #      See Unicode Standard Annex #29.
-#      These rules are based on UAX #29 Revision 19 for Unicode Version 6.1
+#      These rules are based on UAX #29 Revision 26 for Unicode Version 8.0
 #
 
 
@@ -64,7 +64,7 @@ $CR $LF;
 $ATermEx $NumericEx;
 
 # Rule 7
-$UpperEx $ATermEx $UpperEx;
+($UpperEx | $LowerEx) $ATermEx $UpperEx;
 
 #Rule 8
 $NotLettersEx = [^$OLetter $Upper $Lower $Sep $CR $LF $ATerm $STerm] ($Extend | $Format)*;