[PATCH] py3: partially fix pager spawning on Windows

[Matt Harbison]

On Sun, 16 Sep 2018 11:26:35 -0400, Yuya Nishihara <yuya at tcha.org> wrote:

> On Sun, 16 Sep 2018 09:21:46 -0400, Matt Harbison wrote:
>>
>> > On Sep 16, 2018, at 2:41 AM, Yuya Nishihara <yuya at tcha.org> wrote:
>> >
>> >> On Sun, 16 Sep 2018 00:40:37 -0400, Matt Harbison wrote:
>> >> # HG changeset patch
>> >> # User Matt Harbison <matt_harbison at yahoo.com>
>> >> # Date 1537032701 14400
>> >> #      Sat Sep 15 13:31:41 2018 -0400
>> >> # Node ID efffacd34255117920417dfb2d71627929499500
>> >> # Parent  87539f615b878fe39973fb059b0531fa4fd7e6ff
>> >> py3: partially fix pager spawning on Windows
>>
>> Any thoughts on how the invalid handle came to be?
>
> Not really.
>
> Is the pager process alive if you do sleep(10) for example?

Yes.  `less -FRX` in MSYS and `more.com` in cmd.exe both show up in  
ProcessExplorer, and then die once hg exits.