From fb8c6340c8142874d3894c652b82889dd901a95b Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 25 Aug 2020 11:49:22 +0200
Subject: [PATCH] Allow '/' in nickname

This allows to specify a network name in the nickname.

Closes: https://todo.sr.ht/~emersion/soju/91
---
 downstream.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/downstream.go b/downstream.go
index cf651a6..d27528e 100644
--- a/downstream.go
+++ b/downstream.go
@@ -57,7 +57,9 @@ var errAuthFailed = ircError{&irc.Message{
 	Params:  []string{"*", "Invalid username or password"},
 }}
 
-const illegalNickChars = " :/@!*?"
+// ' ' and ':' break the IRC message wire format, '@' and '!' break prefixes,
+// '*' and '?' break masks
+const illegalNickChars = " :@!*?"
 
 // permanentDownstreamCaps is the list of always-supported downstream
 // capabilities.