jmcnamara/xlsxwriter.lua — pull request #2 by moteus (2014-03-27 09:43:04+00:00)
Title: Fix. Specify platform for external attributes.

`external attributes` depend from platform.
So this value does not make sense when you crate zip on Windows.
I use KingSoft Office on WinXP and there works both variants,
but I think this is more correct variant.