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2.05  Tue Oct  2 10:20:00 2012
	- No fundamental code changes, so no need to upgrade, unless you need the following new
		features.
	- After a request from Jack Maney, author of the Perl module Hypatia:
		o Document the mutator node_hash(), which returns a hashref keyed by node name.
			Use this to get a list of all nodes and their attributes.
		o Add a new mutator, edge_hash(), which also returns a hashref keyed by node name.
			The node is the one at the arrow/tail/ end of the edge, i.e. where the edge starts from.
			Use this to learn all sorts of things about the edge.
		o Add scripts/report.nodes.and.edges.pl (a version of scripts/html.labels.pl) to demonstrate
			how to access this data.
		o Update to POD to match.

2.04  Fri Aug 17 10:48:00 2012
	- Add Perl V 5.14.2 to the pre-reqs, for the utf8 stuff.
	- Re-write the subgraph handling code, which was broken up to V 2.03.
		Add samples, script/rank.sub.graph.[1234].pl, to demonstrate subgraph name effects and node
		rankings. script/rank.sub.graph.[12].pl use subgraphs to force a set of nodes to be
		horizontally aligned. script/rank.sub.graph.[34].pl show the effects of subgraph name
		changes on the same data.

2.03  Mon Jun 18  9:47:00 2012
	- Switch from double to single quotes in line 22 of GraphViz2::Parse::Regexp, so the resultant
		string, treated as Perl code, runs on Windows. Reported by Max Maischein as RT#77869.
	- Also, slightly reformat line 39 of that module.

2.02  Thu Apr 19 11:51:00 2012
	- Accept patch from Lee as in RT#76459, to replace the code which writes the dot input file to
		a file with binmode, and just pass the data to dot via IPC::Run.
		Happily, this allows me to eliminate 'use open qw/:encoding(UTF-8) :std/;' in t/test.t.
	- Update the pre-reqs in Build.PL and Makefile.PL.
	- Add scripts/utf8.test.pl to the list of scripts shipped with this module.
	- Add scripts/utf8* to scripts/generate.*.sh.
	- Make scripts/generate.*.sh emit a warning when DBI_DSN is not set.

2.01  Wed Mar  7 08:50:00 2012
	- I only tested V 2.00 by outputting to SVG (a text format), but outputting to a binary format
		such as PNG was broken.
		So, remove the 'use open qw/:encoding(UTF-8) :std/;', and restore binmode, in
		GraphViz2.pm.
	- Remove log to screen in utf8.pl, since Log::Handler doesn't accept utf8 as a logger option.
	- Copy scripts/utf8.pl to scripts/utf8.test.pl and edit to display just 5 delta characters.
		See html/utf8.test.svg. PNG is ok too.
		This demonstrates (hopefully) we can get the correct output on a binary format despite
		the 'Wide character in print...' message.
	- Add FAQ topic regarding this 'Wide character in print...' problem.

2.00  Tue Mar  6 16:02:00 2012
	- Support utf8 in labels. This required changes to GraphViz2.pm. See scripts/utf8.pl and
		html/utf8.svg. I'm using Perl V 5.14.2.
	  	Sample output is online at http://savage.net.au/Perl-modules/html/graphviz2/utf8.svg.
	- Add an item to the FAQ about how to write scripts using utf8.
	- Re-write GraphViz2::Parse::ISA to draw multiple class hierarchies on 1 graph. This means the
		API for that class has changed. Specifically, create() no longer exists. Call add() 1 or
		more times instead. Then, call generate_graph(). See the docs for details.
		Sample output is online at
		http://savage.net.au/Perl-modules/html/graphviz2/parse.isa.svg.

1.13  Sun Dec 25 10:33:00 2011
	- Change <img...> to <object...> in the demo creation code, to keep poor old FireFox happy.
	- Change various things in html/graphviz2.index.tx to we validate as XHTML 1.0 Strict.
	- Unreleased.

1.12  Wed Dec 14 11:22:00 2011
	- Add 5 scripts, scripts/macro.*.pl, to demonstrate using a Perl sub as a macro to generate
		both cluster and non-cluster sub-graphs.
	- Update the TODO in GraphViz2.pm, since it erroneously gave the impression the current code
		did not handle compound clusters.
	- Re-generate the demo. See: http://savage.net.au/Perl-modules/html/graphviz2/.
	- Adopt Flavio Poletti's suggestion of trying to pipe to dot, in Build.PL/Makefile.PL, rather
		than using File::Which, to see if dot (Graphviz) is installed. This (hopefully) solves
		the problem of using File::Which on systems where it is not installed, before
		Build.PL/Makefile.PL has a chance to tell the user that File::Which is required.
		See: RT#73077.
	- No code changes in *.pm files.

1.11  Tue Nov  8 10:21:00 2011
	- Fix bug where double quotes in HTML labels were being escaped and should not have been.
	  	Many thanx to Fitz Elliott for the report and initial patch.
		See https://rt.cpan.org/Ticket/Display.html?id=72259.
	- Patched scripts/html.labels.pl as per Fitz's suggested test code.
	- Rename t/lib/Parent.pm to t/lib/Adult.pm to avoid a reported problem with
		"use parent 'Parent';" under Windows.
	  	This affect various files. See https://rt.cpan.org/Public/Bug/Display.html?id=69076.

1.10  Thu Sep  1 10:45:00 2011
	- Fix bug in GraphViz in handling of nodes whose shape is none or plaintext, and whose label
		is HTML.
	- Fix bug in scripts/generate.png.sh to add png parameter to
		'perl -Ilib scripts/generate.demo.pl png'.
	- HTML labels work without any code changes, so references to them not working have been
		removed from the docs.
	- GraphViz2 is called by the now-released Graph::Easy::Marpa, so remove that item from the
		TODO list.
	- Fix doc referring to scripts/generate.index.pl. It now refers to scripts/generate.demo.pl.
	- Add DOCTYPE and Content-type to html/graphviz.index.tx. Output by scripts/generate.demo.pl,
		html/index.html, now handles UTF-8 properly.
	- Add alt to the <img ...> tags output by scripts/generate.demo.pl.
	- Add scripts/html.labels.pl. This code includes a demo of using ports.
	- Reorder methods in GraphViz2::Utils to be in alphabetical order.

1.09  Thu Jul 21 14:13:00 2011
	- Patch parameter validation to allow for output image types such as png:gd etc.
		Only the prefix before the first ':' is validated.

1.08  Thu Jul 21 11:53:00 2011
	- Change the behaviour of sub log() in GraphViz.pm. Now if called with $level eq 'error', it
		dies with $message.
	- Change references to the color darkblue to blue, so it's compatible with both the X11 and
		SVG color schemes.
	- Likewise change chartreuse to lawngreen.
	- Rename scripts/generate.index.pl to scripts/generate.demo.pl, as a more meaningful name.
	- Patch scripts/generate.demo.pl to accept the output image type as a command line parameter.
	- Use this new feature to generate png files, and upload them to the demo site
	  	http://savage.net.au/Perl-modules/html/graphviz2/ even though png is often uglier than
		svg. I did this because Iceweasel (Firefox) V 3.5.16 was not displaying svgs within the
		index file,even though they are fine when displayed directly.
	- Add scripts/generate.png.sh.
	- Note: scripts/jointed.edges.pl must call dot with -Tpng:gd and not -Tpng, for unknown
		reasons.
	- Make both scripts/generate.png.sh and scripts/generate.svg.sh redirect their log files to