From fae3fb45009d695c442a54424ee285f279fde96f Mon Sep 17 00:00:00 2001
From: mpeterv <petjamelnik@yandex.ru>
Date: Sun, 9 Mar 2014 13:23:11 +0400
Subject: [PATCH] Lua 5.0 compatibility flag strikes again

---
 src/argparse.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/argparse.lua b/src/argparse.lua
index b53df6b..29150c7 100644
--- a/src/argparse.lua
+++ b/src/argparse.lua
@@ -574,8 +574,10 @@ local function plural(x)
    return "s"
 end
 
+local default_cmdline = arg or {}
+
 function Parser:_parse(args, errhandler)
-   args = args or arg
+   args = args or default_cmdline
    local parser
    local charset
    local options = {}
@@ -916,5 +918,5 @@ function Parser:pparse(args)
 end
 
 return function(...)
-   return Parser(arg and arg[0]):add_help(true)(...)
+   return Parser(default_cmdline[0]):add_help(true)(...)
 end