master cdf369b0129: Fix erc-server-prevent-duplicates :type

[F. Jason Park]

branch: master
commit cdf369b0129eb196684dad5d290c076392997770
Author: Mauro Aranda <maurooaranda@gmail.com>
Commit: F. Jason Park <jp@neverwas.me>

    Fix erc-server-prevent-duplicates :type
    
    * lisp/erc/erc-backend.el (erc-server-prevent-duplicates): Change
    :type to allow a variable-length list of strings.  (Bug#66456)
---
 lisp/erc/erc-backend.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/erc/erc-backend.el b/lisp/erc/erc-backend.el
index fb10ee31c78..2fb140f57ce 100644
--- a/lisp/erc/erc-backend.el
+++ b/lisp/erc/erc-backend.el
@@ -511,7 +511,7 @@ It should take same arguments as `open-network-stream' 
does."
   "Either nil or a list of strings.
 Each string is a IRC message type, like PRIVMSG or NOTICE.
 All Message types in that list of subjected to duplicate prevention."
-  :type '(choice (const nil) (list string)))
+  :type '(repeat string))
 
 (defcustom erc-server-duplicate-timeout 60
   "The time allowed in seconds between duplicate messages.