pear/Image_GraphViz — pull request #1 by FGM (2012-05-08 14:16:22+00:00)
Title: Suggested fix for issue #19286

The patch corrects the bug and also fixed part of #18676.

- tests/bug_19286.phpt test added to catch the bug and demonstrate its fix
- class initializes nodes list when adding subgraph or cluster
- file converted to UTF-8
- removed terminal ?>