src/java.base/share/classes/java/util/regex/PatternSyntaxException.java

*** 55,65 ****
       * @param  regex
       *         The erroneous pattern
       *
       * @param  index
       *         The approximate index in the pattern of the error,
!      *         or <tt>-1</tt> if the index is not known
       */
      public PatternSyntaxException(String desc, String regex, int index) {
          this.desc = desc;
          this.pattern = regex;
          this.index = index;
--- 55,65 ----
       * @param  regex
       *         The erroneous pattern
       *
       * @param  index
       *         The approximate index in the pattern of the error,
!      *         or {@code -1} if the index is not known
       */
      public PatternSyntaxException(String desc, String regex, int index) {
          this.desc = desc;
          this.pattern = regex;
          this.index = index;
*** 67,77 ****
  
      /**
       * Retrieves the error index.
       *
       * @return  The approximate index in the pattern of the error,
!      *         or <tt>-1</tt> if the index is not known
       */
      public int getIndex() {
          return index;
      }
  
--- 67,77 ----
  
      /**
       * Retrieves the error index.
       *
       * @return  The approximate index in the pattern of the error,
!      *         or {@code -1} if the index is not known
       */
      public int getIndex() {
          return index;
      }