--- a/minify/optparser.lua	Fri Mar 17 11:01:19 2023 +0000
+++ b/minify/optparser.lua	Fri Mar 17 11:02:12 2023 +0000
@@ -30,7 +30,6 @@
 local base = _G
 local string = require "string"
 local table = require "table"
-module "optparser"
 
 ----------------------------------------------------------------------
 -- Letter frequencies for reducing symbol entropy (fixed version)
@@ -441,4 +440,4 @@
   ------------------------------------------------------------------
 end
 
-return _M;
+return {optimize = optimize}