commit a5fc18b

doc: Clarify password-cmd

 1@@ -52,6 +52,13 @@ Some settings are required, the others are optional.
 2 	will be ignored and the first line of the output of *password-cmd* will be
 3 	used for login.
 4 
 5+	The command and arguments are already quoted by scfg, so there is no need to
 6+	additionally quote the whole command string. For example:
 7+
 8+```
 9+password-cmd pass "Messaging/irc"
10+```
11+
12 *channel*
13 	A space separated list of channel names that senpai will automatically join
14 	at startup and server reconnect. This directive can be specified multiple