Function: isPlainHostName
isPlainHostName is a byte-compiled function defined in url-ns.el.gz.
Signature
(isPlainHostName HOST)
Source Code
;; Defined in /usr/src/emacs/lisp/obsolete/url-ns.el.gz
;;;###autoload
(defun isPlainHostName (host)
(not (string-search "." host)))