From 22fa4cc9381179fdd43ca8a251cb49dd2703079d Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 22 Mar 2010 17:49:04 +0200
Subject: Sync with ConTeXt

---
 luaextra-table.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'luaextra-table.lua')

diff --git a/luaextra-table.lua b/luaextra-table.lua
index 70a901e..e8f72ed 100644
--- a/luaextra-table.lua
+++ b/luaextra-table.lua
@@ -12,6 +12,7 @@ local concat, sort, insert, remove = table.concat, table.sort, table.insert, tab
 local format, find, gsub, lower, dump, match = string.format, string.find, string.gsub, string.lower, string.dump, string.match
 local getmetatable, setmetatable = getmetatable, setmetatable
 local type, next, tostring, tonumber, ipairs, pairs = type, next, tostring, tonumber, ipairs, pairs
+local unpack = unpack or table.unpack
 
 function table.strip(tab)
     local lst = { }
@@ -28,7 +29,7 @@ end
 
 function table.keys(t)
     local k = { }
-    for key,_ in next, t do
+    for key, _ in next, t do
         k[#k+1] = key
     end
     return k
-- 
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