/** This helper method will return the end of the next word in the buffer. */
 private static int getNextWordEnd(Segment text, int startPos) {
   for (char ch = text.setIndex(startPos); ch != Segment.DONE; ch = text.next()) {
     if (!Character.isLetterOrDigit(ch)) {
       return text.getIndex();
     }
   }
   return text.getEndIndex();
 }
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 /**
  * Removes any spaces or tabs from the end of the segment.
  *
  * @param segment The segment from which to remove tailing whitespace.
  * @return <code>segment</code> with trailing whitespace removed.
  */
 private static Segment removeEndingWhitespace(Segment segment) {
   int toTrim = 0;
   char currentChar = segment.setIndex(segment.getEndIndex() - 1);
   while ((currentChar == ' ' || currentChar == '\t') && currentChar != CharacterIterator.DONE) {
     toTrim++;
     currentChar = segment.previous();
   }
   String stringVal = segment.toString();
   String newStringVal = stringVal.substring(0, stringVal.length() - toTrim);
   return new Segment(newStringVal.toCharArray(), 0, newStringVal.length());
 }