src/java.base/share/classes/java/time/zone/ZoneRulesProvider.java

8204444: java.time cleanup
Reviewed-by: scolebourne, rriggs

*** 117,127 ****
   * Implementations must be immutable and thread-safe.
   * <p>
   * Providers must ensure that once a rule has been seen by the application, the
   * rule must continue to be available.
   * <p>
! *  Providers are encouraged to implement a meaningful {@code toString} method.
   * <p>
   * Many systems would like to update time-zone rules dynamically without stopping the JVM.
   * When examined in detail, this is a complex problem.
   * Providers may choose to handle dynamic updates, however the default provider does not.
   *
--- 117,127 ----
   * Implementations must be immutable and thread-safe.
   * <p>
   * Providers must ensure that once a rule has been seen by the application, the
   * rule must continue to be available.
   * <p>
!  * Providers are encouraged to implement a meaningful {@code toString} method.
   * <p>
   * Many systems would like to update time-zone rules dynamically without stopping the JVM.
   * When examined in detail, this is a complex problem.
   * Providers may choose to handle dynamic updates, however the default provider does not.
   *