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  * Layout: move path management code to Graph::Simple::Layout::Path
  * Layout: find path loops (from one node back to same node again)
  * Layout: find U-shaped paths
  * Edge  : add styles for EDGE_x_y (x = N/S, y = E/W)

2005-05-17 v0.16 Tels 426 tests - Make, make, make, make the invisible nodes...
  * forgot to include As_svg.pm
  * Simple.pm: Note other formats in NAME and SYNOPSIS sections
  * As_svg: small cleanups

2005-05-16 v0.15 Tels 422 tests - Make, make, make, make the invisible nodes...
  * load the As_*() modules on-demand
  * fixed NAME in As_graphviz
  * add basic support for node shapes
  * Node: add del_attribute(), as_svg(), title()
  * Parser: check attributes more closely
  * Parser: support [] for anonymous, invisible nodes
  * added Graph::Simple::Node::Anon
  * Graph: move code to prepare layout from as_ascii() to _prepare_layout()
    since it can be reused by as_svg()
  * as_html: deal better with empty graphs
  * as_graphviz: default node shape is rectangular
  * Node: successor/predecessor did corrupt nodes w/o a graph
  * Node: add _reset_id() for testsuite
  * require Graph 0.65

2005-04-11 v0.14 Tels 354 tests - Lay, lay, lay, lay out the edges...
  * add experimental graphviz output
  * require Graph 0.61

2005-02-12 v0.13 Tels 345 tests - Group, group, group, group the nodes...
  * shorten CSS considerable (especially for graphs with groups)
  * fix CSS for Opera/Firefox for vertical edges
  * fix node-borders for Firefox/Opera by inserting dummy cells at each row

2005-02-07 v0.12 Tels 345 tests - Group, group, group, group the nodes...
  * register groups with the graph when adding them
  * Parser: parse attributes on groups like: "( Group [ Node ] ) { ... }"
  * Parser: parse attributes on edges like: "[ 1 ] -> { ... } [ 2 ]"
  * Group: handle attribute "nodeclass" - put nodes into that class
  * Node: handle attribute "group" - puts node into that group
  * Node: query "node.class" from graph before trying just "node"
  * Node: convert literal "\n" in label/name to "<br>"
  * Layout: padd around all cells with filler cells (to make group backgrounds
    really work)
  * Layout: cleanup on group output
  * as_txt(): output attributes of a group
  * add Graph::Simple::Node::Cell, Graph::Simple::Group::Cell
  * moved Graph::Simple::Path to Graph::Simple::Edge::Cell
  * Graph: shorten HTML output by combining table cells with colspan=X
  * Graph: use CSS child selectors to shorten classnames (and remove
    class='fill' or class='' from output)
  * Graph: as_html(): fix IDs on labels, lines etc
  * Graph: fix layout code for edges with labels: no longer needs position:
    relative, allows better copy&paste and is not garbled on scrolling
  * syntax.pl: support custom template name
  * simplifiy and generalize t/simple.t
  * always run test files under -w
  * don't use warnings (for older perls)
  * remove needless routines in subclasses of "Node"
  * use Test::Differences if t/ascii.t fails

2005-01-31 v0.11 Tels 294 tests - Close, close, close, close the ugly holes...
  * Parser: add parsing of groups like in "( Groupname [ Node ] )"
  * Parser: fix for "[1] -> [2] -> [3] { ... }" to not lose attributes on 3
  * Parser: can now handle "[1], [2], [3] -> [4]" correctly
  * Parser: cut out rendundant parsing code
  * Graph: add group(), add_group(), del_group(), groups()
  * Graph: fix css(): 'link', 'label' and 'title' do not need to appear in CSS
  * Graph: suppress default attributes from groups, too
  * Graph: close "holes" in "arrows" (edges) with line-height & letter-spacing
  * Graph: inherit background from page, no border as default
  * Graph: as_html() - remove trailing empty tags for shorter output
  * Node: add group(), groups(), add_to_groups()
  * Node: rename as_txt_node() to as_pure_txt(), document it
  * Node: add label() and the handling of the label-attribute
  * Node: support "label" as property in autolink/autotitle
  * Node: as_txt(): no need to quote ":" and " " in attribute values
  * Node: as_html(): quote " " in URLs
  * Move as_txt() to As_txt.pm to reduce code size
  * Group: keep nodes indexed by their name
  * Group: fix as_txt() to quote group name, and include nodes
  * Group: fix: add_nodes() did include the group itself by accident
  * include examples/base.css for output of syntax.pl
  * fix examples/syntax.tpl to have a non-scrolling menu
  * add command-line dirnames to syntax.pl
  * include t/fun/ - fun with graph-examples
  * added Graph::Simple::Path and refactored Edge code - an edge now only
    knows as_txt(); The other two, as_html() and as_ascii() are handled by
    Path.pm (for each element of the edge separately)
  * more syntax examples

2005-01-24 v0.10 Tels 248 tests - Color, color, color, color the pretty graph...
  * added more stress/syntax tests
  * fix parser to not treat colors in attributes as comments (like in
    "color: #808080")
  * use a pre-compiled regexp to match edges (cut down code-duplication)
  * parser now handles successfully node chains like:
    [ Ulm ] -> [ Lahn ] -> [ Bonn ]
    -> [ Trier ]
    [ Stein ] -> [ Wahns ]
  * Simple.pm: fix edges() in list context to actually work
  * require Graph v0.55 (to be safe)
  * Node: add attributes_as_txt(), as_txt_node() to allow $graph->as_txt() to
    output node attributes only once
  * Graph: as_txt(): output node attributes only once
  * Graph: add set_attribute()
  * examples/syntax.pl: generate headlines from comments in input, add footer
  * Graph: support attributes: linkbase, autolink, autotitle, link, title
  * Graph: as_html(): output title attributes, as well as links

2005-01-12 v0.09 Tels 147 tests - Place, place, place, place the pesky nodes...
  * Layout: try to place node with only one predecessor around the predecessor
  * add a stress test with a star-shaped graph (5 nodes)
  * add a syntax test with newlines and one without any spaces
  * Parser: accumulate left-over fragments to parse examples broken by newlines
  * Parser: use compiled regexps for nodes, attributes etc
  * Parser: finally handle trailing attributes on nodes
  * Node: add set_attributes() for setting multiple ones at once
  * Node: setting attribute "class" will set subclass instead
  * add tests for parsing: