[PATCH 8 of 8] templater: deduplicate iterator of overlay mappings

[Augie Fackler]

On Thu, Apr 05, 2018 at 11:37:26PM +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1522673652 -32400
> #      Mon Apr 02 21:54:12 2018 +0900
> # Node ID 0e92d8efaea91db21670c7158b1128f924b30cf4
> # Parent  00c9dda81b49f4242f174fd218c68b5c8bbc5fea
> templater: deduplicate iterator of overlay mappings

queued, thanks