root userでemacsが起動しません。
エラーメッセージの意味も判りません。
御指導願えませんか？
Xlib: connection to ":0.0: refused by server
Xlib: No protocol specified

emacs: Cannot connect to X server :0.0.
Check the DISPLAY environment variable ro use `-d'.
Also use the `xhost progarm to verify that it is set to permit
connections form your machine.