Fri Sep 27 02:33:58 1996  Russell Marks  <rus@lifeson>

	* Rewrote writejpeg.c to work with libjpeg >=v5.

	* Copied over gifeng.c from zgv v2.6, which supports local colour
	maps where v2.3 didn't. Also copied usejpeg.c from 2.6.

	* Extracted from zgv v2.3.
