Tue May 11 13:33:20 1999  Ben Pfaff  <blp@gnu.org>

	* avl.texinfo: Fix typos.  Thanks to onTy Toom <onty@yahoo.com>
	for pointing these out.
	
Sun Mar 14 13:39:16 1999  Ben Pfaff  <blp@gnu.org>

	* avl.c: Fixed two occurrences of = that should have been == in
	assertions.  Thanks to Girish Zambre <gzambre@sprynet.com> for
	pointing out this problem.

	* avl.c, avlt.c, avltr.c: __attribute__ must follow declarations
	for gcc 2.7.x.

	* Made version 1.2.8.

Sun Mar 14 13:38:29 1999  Ben Pfaff  <blp@gnu.org>

	* TODO: Add some comments from David Kastrup
	<dak@neuroinformatik.ruhr-uni-bochum.de>.

	* Made version 1.2.7.

Tue Jan 12 10:16:05 1999  Ben Pfaff  <blp@gnu.org>

	* avl.texinfo: Add skip lists as alternative to AVL trees.  Thanks
	to Ron Pfeifle <rpfeifle@aw.sgi.com>.

	* Made version 1.2.6.

Sun Jan 10 15:37:57 1999  Ben Pfaff  <blp@gnu.org>

	* avl.texinfo: Elaborated description of distinction between
	threaded and unthreaded trees at request of several.

	* Made version 1.2.5.

Sun Nov 22 13:36:58 1998  Ben Pfaff  <blp@gnu.org>

	* avl.texinfo: Updates suggested by Jason Eisner
	<jeisner@linc.cis.upenn.edu>.

	* Made version 1.2.4.

Sun Oct 18 10:26:08 1998  Ben Pfaff  <pfaffben@pilot.msu.edu>

	* TODO: New file.

	* avl.c: (xmalloc) Don't declare xmalloc if HAVE_XMALLOC is
	defined.  By default on error, print a message to stderr and exit,
	rather than calling abort() as before.
	* avlt.c: (xmalloc) Same.
	* avltr.c: (xmalloc) Same.

	* Made version 1.2.3.

Thu Sep  3 13:58:55 1998  Ben Pfaff  <pfaffben@pilot.msu.edu>

	* README: Update.

	* avl.c: (avl_delete) Minor efficiency fixes; removed redundant
	comparison.

	* avlt.c: (avl_delete) Minor efficiency fix.
	* avltr.c: (avl_delete) Same change.

	* avl.texi: Update.

	* Made version 1.2.2.

Thu Jun 11 15:13:02 1998  Ben Pfaff  <pfaffben@pilot.msu.edu>

	* avl.c: Don't #define unused when PSPP is defined.
	(force_avl_delete) Rename avl_force_delete.

	* avlt.c: (force_avlt_delete) Rename avlt_force_delete.

	* avltr.c: (force_avltr_delete) Rename avltr_force_delete.

	* Made version 1.2.1.

Thu Jun 11 14:43:30 1998  Ben Pfaff  <pfaffben@pilot.msu.edu>

	* Version 1.2.0: First GNU release.

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