Major changes in release 1.4.5:

* Catch up with the latest Ruby specification. :-(

Major changes in release 1.4.4:

* No major change.

Major changes in release 1.4.3:

* Fix the Japanese document.

Major changes in release 1.4.3:

* Fix the bug that quiet mode doesn't work correctly.

Major changes in release 1.4.2:

* No major change.

Major changes in release 1.4.1:

* Fix a bug in the test script that the test fails when the package
  is compiled at somewhere other than srcdir.

Major changes in release 1.4:

* Bug fixes.

Major changes in release 1.3:

* Define the return value of `set_options', `terminate', `quiet=',
	and `ordering='.
* Bug fixes.

Major changes in release 1.2.1:

* No major change.

Major changes in release 1.2:

* Use GNU autoconf and automake.

Major changes in release 1.1:

* The protecterd method `terminate' comes to a public mothod.
* The `terminate?' method is renamed to `terminated?'.
* Bug fixes.