Backport: Add ERC version to protocol log

* lisp/erc/erc.el (erc-toggle-debug-irc-protocol): Include the erc
version in the debug logs (bug#51107).

(cherry picked from commit 13411346202f86e950bee076a5d528e98695fbb4)

diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index 3462aa4db0e5a031ee362959650c835ba524e9c9..4a86fa712ab5109b0f6e680025f23d1ca27f805b 100644 (file)
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -2388,6 +2388,7 @@ If ARG is non-nil, show the *erc-protocol* buffer."
         (let ((inhibit-read-only t)
               (msg (list
                     (concat "Version: " erc-debug-irc-protocol-version)
+                    (concat "ERC-Version: " erc-version)
                     (concat "Emacs-Version: " emacs-version)
                     (erc-make-notice
                      (concat "This buffer displays all IRC protocol "