bug#22380: [PATCH v1] erc: Don't raise an error for unknown user modes

[David Edmondson]

If a user has a mode which is unknown, emit a message rather than
raising an error.
---
 lisp/erc/erc.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index 56317b8..b7f40a8 100644
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -4830,7 +4830,7 @@ channel."
                        ((pred (eq op-ch))    op)
                        ((pred (eq adm-ch))   admin)
                        ((pred (eq own-ch))   owner)
-                       (_ (error "Unknown prefix char `%S'" ch) voice))
+                       (_ (message "Unknown prefix char `%S'" ch) voice))
                      'on)))
           (when updatep
            ;; If we didn't issue the NAMES request (consider two clients
-- 
2.6.3