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:

	\[[!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.

The `graph` directive supports the following parameters:

- `src` - The graphviz source to render.
- `type` - The type of graph to render: `graph` or `digraph`.  Defaults to
  `digraph`.
- `prog` - The graphviz program to render with: `dot`, `neato`, `fdp`, `twopi`,
  or `circo`.  Defaults to `dot`.
- `height`, `width` - Limit the size of the graph to a given height and width,
  in inches. You must specify both to limit the size; otherwise, graphviz will
  choose a size, without any limit.

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