Accept telnet usage strings

plugin_chatcmd.go

@@ -7,11 +7,12 @@ import (
 
 // A ChatCmd holds information on how to handle a chat command.
 type ChatCmd struct {
-	Name    string
-	Perm    string
-	Help    string
-	Usage   string
-	Handler func(*ClientConn, io.Writer, ...string) string
+	Name        string
+	Perm        string
+	Help        string
+	Usage       string
+	TelnetUsage string
+	Handler     func(*ClientConn, io.Writer, ...string) string
 }
 
 var chatCmds map[string]ChatCmd