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[elisp/gnus.git-] / lisp / dns.el

diff --git a/lisp/dns.el b/lisp/dns.el
index dcac670..4be31e7 100644 (file)
--- a/lisp/dns.el
+++ b/lisp/dns.el
@@ -298,6 +298,9 @@ 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)