Fix an error message glitch in network-stream.el.

* net/network-stream.el (network-stream-open-starttls): Avoid
emitting a confusing error message when the server gives a bad
response to the capability command.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/net/network-stream.el b/lisp/net/network-stream.el
index 7860eb96846..8730e875ea0 100644
--- a/lisp/net/network-stream.el
+++ b/lisp/net/network-stream.el
@@ -299,7 +299,8 @@ functionality.
                ;; support, or no gnutls-cli installed.
                (eq resulting-type 'plain))
       (setq error
-            (if starttls-available
+            (if (or (null starttls-command)
+                    starttls-available)
                 "Server does not support TLS"
               (concat "Emacs does not support TLS, and no external `"
                       (if starttls-use-gnutls