[PATCH 7 of 7] templater: abstract truth testing to fix {if(list_of_empty_strings)}

[Augie Fackler]

On Tue, Jun 12, 2018 at 11:49:09PM +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1528518887 -32400
> #      Sat Jun 09 13:34:47 2018 +0900
> # Node ID 4eb2c19f741f50389c3de234654510deede597e2
> # Parent  0bf2bc3ec4f89f4a847b68d00011968732aacd7a
> templater: abstract truth testing to fix {if(list_of_empty_strings)}

queued, thanks