[PATCH V2] pager: set some environment variables if they're not set

[Yuya Nishihara]

On Thu, 13 Apr 2017 09:36:30 -0700, Jun Wu wrote:
> # HG changeset patch
> # User Jun Wu <quark at fb.com>
> # Date 1492097239 25200
> #      Thu Apr 13 08:27:19 2017 -0700
> # Node ID aec3d224f8955e8956bbb2b7d49c76d410f42e19
> # Parent  eaf3819631c206722c7594d8f54ed769a95f54b4
> # Available At https://bitbucket.org/quark-zju/hg-draft
> #              hg pull https://bitbucket.org/quark-zju/hg-draft -r aec3d224f895
> pager: set some environment variables if they're not set

Queued this, thanks!