willthames/ansible-inventory-grapher — pull request #1 by Habbie (2014-04-03 12:32:24+00:00)
Title: drop double quotes around default value, as they cause the actual output files to have double quotes around their names

Before:
-rw-r--r-- 1 peter admin 289 Apr 3 14:32 "pdnsdev.dot"

After:
-rw-r--r-- 1 peter admin 289 Apr 3 14:31 pdnsdev.dot