[PATCH v2] template: provide a termwidth keyword (issue5395)

[Yuya Nishihara]

On Sat, 8 Oct 2016 02:32:00 -0700, Simon Farnsworth wrote:
> # HG changeset patch
> # User Simon Farnsworth <simonfar at fb.com>
> # Date 1475918808 25200
> #      Sat Oct 08 02:26:48 2016 -0700
> # Node ID 4c76c4023f440ee2fefe2b632a99869cd657ff90
> # Parent  91a3c58ecf938ed675f5364b88f0d663f12b0047
> template: provide a termwidth keyword (issue5395)
> 
> We want to provide terminal-sized output. As a starting point, expose the
> terminal width to the templater for use in things like fill.

Looks good. Queued, thanks.