@@ -22,23 +22,28 @@
 		return tostring(arg) .. ' ' .. argjoin(nxt, ...)
 	end
 
 	local logger = function(module)
-		local emit = function(lvl)
-			return function(...)
-				if module then
-					minetest.log(lvl,string.format('[%s :: %s] %s',selfname,module,argjoin(...)))
-				else
-					minetest.log(lvl,string.format('[%s] %s',selfname,argjoin(...)))
+		local lg = {}
+		local setup = function(fn, lvl)
+			lvl = lvl or fn
+			local function emit(...)
+				local call = (fn == 'fatal') and error
+					or function(str) minetest.log(lvl, str) end
+				if module
+					then call(string.format('[%s :: %s] %s',selfname,module,argjoin(...)))
+					else call(string.format('[%s] %s',selfname,argjoin(...)))
 				end
 			end
+			lg[fn       ] = function(...) emit(...)                end
+			lg[fn .. 'f'] = function(...) emit(string.format(...)) end -- convenience fn
 		end
-		return {
-			info = emit('info');
-			warn = emit('warning');
-			err = emit('error');
-			act = emit('action');
-		}
+		setup('info')
+		setup('warn','warning')
+		setup('err','error')
+		setup('act','action')
+		setup('fatal')
+		return lg
 	end;
 
 	local stage = function(s,...)
 		logger().info('entering stage',s)