* gnus-group.el (gnus-group-expire-articles): Doc fix.

[gnus] / lisp / dns.el

diff --git a/lisp/dns.el b/lisp/dns.el
index b47d85c..5b43e10 100644 (file)
--- a/lisp/dns.el
+++ b/lisp/dns.el
@@ -296,6 +296,9 @@ If TCP-P, the first two bytes of the package with be the length field."
            :host server
            :service "domain"
            :type 'datagram)
+        ;; Older versions of Emacs doesn't have
+        ;; `make-network-process', so we fall back on opening a TCP
+        ;; connection to the DNS server.
         (open-network-stream "dns" (current-buffer) server "domain")))))
 
 (defun query-dns (name &optional type fullp)