Merge branch 'master' into nalc-1.2

api compatibility

init.lua

@@ -34,7 +34,7 @@ end
 
 function random_messages.initialize() --Set the interval in minetest.conf.
 	minetest.settings:set("random_messages_interval",120)
-	minetest.settings:save()
+	minetest.settings:write();
 	return 120
 end
 
@@ -64,6 +64,7 @@ function random_messages.read_messages()
 			-- blame the admin if not found
 			output:write(S("Blame the server admin! He/She has probably not edited the random messages yet.\n"))
 			output:write(S("Tell your dumb admin that this line is in (worldpath)/random_messages\n"))
+			return
 		else
 			-- or write default_input content in worldpath message file
 			local content = default_input:read("*all")
@@ -123,6 +124,7 @@ random_messages.set_interval()
 random_messages.read_messages()
 
 local TIMER = 0
+if random_messages.messages[1] then
 	minetest.register_globalstep(function(dtime)
 		TIMER = TIMER + dtime;
 		if TIMER > MESSAGE_INTERVAL then
@@ -130,6 +132,7 @@ minetest.register_globalstep(function(dtime)
 			TIMER = 0
 		end
 	end)
+end
 
 local register_chatcommand_table = {
 	params = "viewmessages | removemessage <number> | addmessage <number>",

mod.conf

@@ -0,0 +1 @@
+name = random_messages