restrict renames to a-z, A-Z, 0-9, _ and -
restrict renames to a-z, A-Z, 0-9, _ and -


git-svn-id: f6f45834fccde298d83fbef5743c9fd7982a26a3@42127 13f79535-47bb-0310-9956-ffa450edef68

apache/lenya,apache/lenya,apache/lenya,apache/lenya