X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/92d17d289c64eb8416a881e4fe0113a64b534003..ee84995734048a20e920badafb305c15556c3e6c:/helpers.lua

diff --git a/helpers.lua b/helpers.lua
index 4d75f7b..d6f6b3c 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -12,7 +12,8 @@ local io         = { lines = io.lines,
                      open  = io.open }
 local pairs      = pairs
 local rawget     = rawget
-local table      = { sort  = table.sort }
+local table      = { sort  = table.sort, unpack = table.unpack }
+local unpack     = unpack or table.unpack -- lua 5.1 retro-compatibility
 
 -- Lain helper functions for internal use
 -- lain.helpers
@@ -186,7 +187,7 @@ function helpers.trivial_partition_set(set)
     return ss
 end
 
--- creates the powerset of a given set
+-- create the powerset of a given set
 function helpers.powerset(s)
     if not s then return {} end
     local t = {{}}