Moved [command] implementation to Lua.

data/lua/wml-tags.lua

@@ -278,3 +278,14 @@ end
 function wml_actions.music(cfg)
 	wesnoth.set_music(cfg)
 end
+
+local function handle_event_commands(cfg)
+	for i = 1, #cfg do
+		local v = cfg[i]
+		wml_actions[v[1]](v[2])
+	end
+	-- Apply music alterations once all the commands have been processed.
+	wesnoth.set_music()
+end
+
+wml_actions.command = handle_event_commands

src/game_events.cpp

@@ -2603,13 +2603,6 @@ WML_HANDLER_FUNCTION(heal_unit, event_info, cfg)
 	resources::state_of_game->get_variable("heal_amount") = real_amount;
 }
 
-// Sub commands that need to be handled in a guaranteed ordering
-WML_HANDLER_FUNCTION(command, event_info, cfg)
-{
-	handle_event_commands(event_info, cfg);
-}
-
-
 // Allow undo sets the flag saying whether the event has mutated the game to false
 WML_HANDLER_FUNCTION(allow_undo,/*event_info*/,/*cfg*/)
 {