Es klappt.

lib.lua

@@ -242,7 +242,7 @@ Sends a Text as playername to the IRC
 function lib.send_2_irc(playername, text)
 
     if(not lib.irc_on) then return end                                                     -- IRC isn't on
-    
+
     if(lib.player[playername] ~= nil) then return end                                      -- Player is in channel
 
     if(lib.irc_message ~= text) then
@@ -320,7 +320,7 @@ function lib.chat(playername, text)
                 minetest.chat_send_player(pname, "<" .. playername .. "> " .. text)
             end
 
-            if(lib.irc_on ~= nil) then
+            if(lib.irc_on) then
                 lib.send_2_irc(playername, text)
 
             end -- if(lib.client
@@ -332,7 +332,7 @@ function lib.chat(playername, text)
 
             minetest.log("action", "[MOD] " .. lib.modname .. " : Module lib: chat: <" .. playername .. "> " .. text)
 
-        elseif(lib.check_channel(pname, channel)) then
+         elseif(lib.check_channel(pname, channel)) then
                 minetest.chat_send_player(pname, lib.yellow .. "<" .. lib.orange .. playername .. "@"
                                                             .. channel .. lib.yellow .. "> " .. text)
                 minetest.log("action", "[MOD] " .. lib.modname .. " : Module lib: chat: <"
@@ -341,9 +341,9 @@ function lib.chat(playername, text)
         end -- if(channel == nil
 
     end -- for _,players
-    
+
     return true
-    
+
 end -- function chat
 
 --[[

matterbridge.lua

@@ -10,8 +10,8 @@
 
 local sc = smart_chat
 
-local matterbridge
-local mattersbridge_irc
+local matterbridge = ""
+local mattersbridge_irc = ""
 
 if(sc.mattersbridge) then
     mattersbridge = "on"
@@ -28,7 +28,7 @@ end
 minetest.log("action","[MOD] " .. sc.modname .. ": Modul mattersbridge :yl_mattersbridge = " .. mattersbridge)
 minetest.log("action","[MOD] " .. sc.modname .. ": Modul mattersbridge :yl_mattersbridge_irc = " .. mattersbridge_irc)
 
-if( sc.matterbridge == true) then
+if( sc.matterbridge) then
 
     if ( minetest.get_modpath("yl_matterbridge")) then
 
@@ -41,8 +41,8 @@ if( sc.matterbridge == true) then
             because smart_chat has register his own event
         ]]--
 
-        function yl_matterbridge.chat_message(username, message_text)
-        end
+        yl_matterbridge.chat_message = function() end
+        yl_matterbridge.register_chat = function() end
 
         --[[
             ****************************************************************
@@ -59,7 +59,7 @@ if( sc.matterbridge == true) then
             for _,player in pairs(all_player) do
                 local pname = player:get_player_name()
                 if(sc.check_global(pname) or sc.public[pname]) then                        -- Player is in Pub-Channel
-                    sc.chat(pname, line)
+                    sc.print(pname, line)
 
                 end -- if(lib.check_global
 

mod.conf

@@ -1 +1,3 @@
 name = smart_chat
+optional_depends = yl_matterbridge
+description = Gives the Ingame-Chat more functionality.