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widget.temp: re-add tempfile argument (#432), but keep retrieving all temperature...
[etc/awesome.git] / helpers.lua
diff --git a/helpers.lua b/helpers.lua
index 4d75f7b6067f7eb9d5430eeac9e5cedbd785e06c..d6f6b3c1fcf861c283fff9134a1b9587a40998cd 100644 (file)
--- 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 = {{}}
awesome window-manager configuration

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