Merge branch 'master' of ssh://git.ikiwiki.info

[ikiwiki.git] / doc / ikiwiki / directive / graph.mdwn

diff --git a/doc/ikiwiki/directive/graph.mdwn b/doc/ikiwiki/directive/graph.mdwn
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--- a/doc/ikiwiki/directive/graph.mdwn
+++ b/doc/ikiwiki/directive/graph.mdwn
@@ -1,13 +1,22 @@
 The `graph` directive is supplied by the [[!iki plugins/graphviz desc=graphviz]] plugin.
 
-This directive allows embedding [graphviz](http://www.graphviz.org/) graphs in a
-page.  Example usage:
+This directive allows embedding [graphviz](http://www.graphviz.org/)
+graphs in a page.  Example usage:
 
        \[[!graph src="a -> b -> c; a -> c;"]]
 
-Note that graphs will only show up in previews if your browser has
-[[!wikipedia data: URI]] support, or if the same graph already exists on that
-page.
+Nodes on the graph can link to external urls using regular graphviz syntax,
+and a clickable imagemap will be created. As a special extension for
+ikiwiki, [[WikiLinks|ikiwiki/wikilink]] can also be used. For example:
+
+       \[[!graph src="""
+       google [ href="http://google.com/" ]
+       sandbox [ href=\[[SandBox]] ]
+       help [ href=\[[ikiwiki/formatting]] ]
+       newpage [ href=\[[NewPage]] ]
+       
+       google -> sandbox -> help -> newpage -> help -> google;
+       """]]
 
 The `graph` directive supports the following parameters: