Small fix: createRoot() only generates a root id if it doesnt already have a valid value
Small fix: createRoot() only generates a root id if it doesnt already have a valid value

git-svn-id: 6d62a1918bfbe91cfb3198953e3056b244989dd5@1306 2b2ae520-0f61-44a6-8c59-7e116ffd6265

tedconf/doctrine-unofficial