Update ICU to 54.1 step 1

source/common/unicode/rbbi.h

 /*
 ***************************************************************************
-*   Copyright (C) 1999-2013 International Business Machines Corporation   *
+*   Copyright (C) 1999-2014 International Business Machines Corporation   *
 *   and others. All rights reserved.                                      *
 ***************************************************************************
 
 **********************************************************************
 *   Date        Name        Description
 *   10/22/99    alan        Creation.
 *   11/11/99    rgillam     Complete port from Java.
 **********************************************************************
 */
 
@@ skipping 41 matching lines @@
  *  and then used via the abstract API in class BreakIterator</p>
  *
  * <p>See the ICU User Guide for information on Break Iterator Rules.</p>
  *
  * <p>This class is not intended to be subclassed.  (Class DictionaryBasedBreakIterator
  *    is a subclass, but that relationship is effectively internal to the ICU
  *    implementation.  The subclassing interface to RulesBasedBreakIterator is
  *    not part of the ICU API, and may not remain stable.</p>
  *
  */
-class U_COMMON_API RuleBasedBreakIterator : public BreakIterator {
+class U_COMMON_API RuleBasedBreakIterator /*U_FINAL*/ : public BreakIterator {
 
 protected:
     /**
      * The UText through which this BreakIterator accesses the text
      * @internal
      */
     UText  *fText;
 
     /**
      *   A character iterator that refers to the same text as the UText, above.
@@ skipping 340 matching lines @@
      * Utext that was passed as a parameter, but that the underlying text itself
      * must not be altered while being referenced by the break iterator.
      *
      * @param text    The UText used to change the text.
      * @param status  Receives any error codes.
      * @stable ICU 3.4
      */
     virtual void  setText(UText *text, UErrorCode &status);
 
     /**
-     * Sets the current iteration position to the beginning of the text.
-     * @return The offset of the beginning of the text.
+     * Sets the current iteration position to the beginning of the text, position zero.
+     * @return The offset of the beginning of the text, zero.
      *  @stable ICU 2.0
      */
     virtual int32_t first(void);
 
     /**
      * Sets the current iteration position to the end of the text.
      * @return The text's past-the-end offset.
      *  @stable ICU 2.0
      */
     virtual int32_t last(void);
@@ skipping 335 matching lines @@
 
 inline UBool RuleBasedBreakIterator::operator!=(const BreakIterator& that) const {
     return !operator==(that);
 }
 
 U_NAMESPACE_END
 
 #endif /* #if !UCONFIG_NO_BREAK_ITERATION */
 
 #endif