Bug#737781: [PATCH 2/3] Document the edge and vertex attributes which are passed to Graphviz.

[Ian Jackson]

Signed-off-by: Ian Jackson <ijackson at chiark.greenend.org.uk>
---
 lib/Graph/Writer/GraphViz.pm |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/Graph/Writer/GraphViz.pm b/lib/Graph/Writer/GraphViz.pm
index bbdcb22..163f0c0 100644
--- a/lib/Graph/Writer/GraphViz.pm
+++ b/lib/Graph/Writer/GraphViz.pm
@@ -155,6 +155,12 @@ Valid format depends on those GraphViz B<as_fmt> methods on your
 system, like, 'gif' if you have 'as_gif', 'text' if you can do
 'as_text'.
 
+=head1 VERTEX AND EDGE ATTRIBUTES
+
+Certain Graph vertex and edge attributes are automatically transferred
+to GraphViz.  For vertices these are: style shape label color
+fillcolor rank cluster; for edges these are: style label color.
+
 =head1 SEE ALSO
 
 L<Graph>, L<Graph::Writer>, L<GraphViz>
-- 
1.7.10.4