ICU 56 update step 1

source/i18n/unicode/ulocdata.h

Index: source/i18n/unicode/ulocdata.h
diff --git a/source/i18n/unicode/ulocdata.h b/source/i18n/unicode/ulocdata.h
index 25dd3ecc91364d0c57d027ae386cec9113559358..63495f681cee4a1fdf7d31fe4bbbd3273e262d2d 100644
--- a/source/i18n/unicode/ulocdata.h
+++ b/source/i18n/unicode/ulocdata.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *                                                                            *
-* Copyright (C) 2003-2014, International Business Machines                   *
+* Copyright (C) 2003-2015, International Business Machines                   *
 *                Corporation and others. All Rights Reserved.                *
 *                                                                            *
 ******************************************************************************
@@ -186,8 +186,9 @@ ulocdata_getDelimiter(ULocaleData *uld, ULocaleDataDelimiterType type, UChar *re
  * @stable ICU 2.8
  */
 typedef enum UMeasurementSystem {
-    UMS_SI,     /** Measurement system specified by SI otherwise known as Metric system. */
-    UMS_US,     /** Measurement system followed in the United States of America. */
+    UMS_SI,     /**< Measurement system specified by SI otherwise known as Metric system. @stable ICU 2.8 */
+    UMS_US,     /**< Measurement system followed in the United States of America. @stable ICU 2.8 */
+    UMS_UK,     /**< Mix of metric and imperial units used in Great Britain. @stable ICU 55 */
     UMS_LIMIT
 } UMeasurementSystem;