2007-04-09  Chao-Kuei Hung <ckhung@ofset.org>
	* Release 0.8.6:
	* RecDialog: fix timeknob_seek so that it can be invoked other than
	  by dragging the scale
	* utilalgo: separate dump_image from on_export so that it can be
	  used non-interactively
	* algotutor: add two options -i and -d to facilitate
	  non-interactive invocation from scripts or programs like
	  WIMS, as suggested by Odile Bénassy.
	* documents: add sample quizzes created with the help of algotutor
	  as suggested by Georges Khaznadar.
2005-09-23  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Vector2.pm: specialized version of Vector.pm ; caused many
	  small changes all over the places. Slightly improved copy
	  constructor
2005-06-02  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8.5:
2005-06-02  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* dp/flwa: integrated from text version
	* algotutor: the -a flwa option now runs the dp/ version, no
	  longer the graph/ version.
2005-05-30  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* gen_at_graph: change the semantic of -d
2005-05-24  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8.4:
	* Edge.pm: shift display of edge weight side-wise
	* document: change Makefile to create shtml instead of html docs
2005-05-19  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8.3:
	* graph/pfs: fixed visit-order display for stacked based search.
	* graph/dfs: removed. No longer supports dfs. Please call
	  pfs(...,-prio=>"sbs", ...) instead.

2005-04-12  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8.2:
	* dp/matrixchain: integrated from text version

2005-04-07  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8.1:
	* config system: reading from /etc/algotutor is fixed to be optional

2005-04-04  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.8:
	* config system: major overhaul completed
	* Board.pm: finished
	* dp/lcs: integrated from text version

2005-03-19  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* config system: major overhaul started
	* Board.pm: added

2005-02-22  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Vertex.pm: set_size(): $size may not be a blessed reference, fixed

2005-02-17  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Release 0.7:
	* cg/graham: added

2005-02-16  Chao-Kuei Hung <ckhung@cyut.edu.tw>
	* Graph.pm: added code to autoconvert point coords into graphs
	* graph/dfs, graph/pfs : added code to handle disconnected graphs
	properly
	* TreeNode.pm: untangle the chicken-egg problem of new() <->
	set_child()/moveto()
	* cg/dom: added
	* documents: manual pages and the corresponding html pages are
	now generated from pod2man and pod2html, respectively.

2004-12-15  Chao-Kuei Hung <ckhung@cyut.edu.tw>

	* Release 0.6.2: ok I really tested the release version with
	perl 5.8.5 (which has trouble with "" element and gave "odd
	number of elements in hash" error).

2004-12-14  Chao-Kuei Hung <ckhung@cyut.edu.tw>

	* Release 0.6.1: fixed disappearing "" problem with newer versions
	of perl; added "red-black tree insertion"; export to postscript

2004-10-??  Chao-Kuei Hung <ckhung@cyut.edu.tw>

	* Release 0.6.0: first public release, submitted to
	Georges Khaznadar at OFSET for packaging and for
	inclusion in freeduc-cd