code: @Override
      public int spanQuickCheckYes(CharSequence s) {
          UnicodeSet.SpanCondition spanCondition=UnicodeSet.SpanCondition.SIMPLE;
          for(int prevSpanLimit=0; prevSpanLimit<s.length();) {
              int spanLimit=set.span(s, prevSpanLimit, spanCondition);
              if(spanCondition==UnicodeSet.SpanCondition.NOT_CONTAINED) {
                  spanCondition=UnicodeSet.SpanCondition.SIMPLE;
              } else {
                  int yesLimit=
                      prevSpanLimit+
                      norm2.spanQuickCheckYes(s.subSequence(prevSpanLimit, spanLimit));
                  if(yesLimit<spanLimit) {
                      return yesLimit;
                  }
                  spanCondition=UnicodeSet.SpanCondition.NOT_CONTAINED;
              }
              prevSpanLimit=spanLimit;
          }
          return s.length();
      }
docs: {@inheritDoc}