[PATCH V3_REBASED] histedit: add a config allowing changing histedit rule line length limit

[Matt Mackall]

On Wed, 2015-03-04 at 10:50 -0800, Mateusz Kwapich wrote:
> # HG changeset patch
> # User Mateusz Kwapich <mitrandir at fb.com>
> # Date 1421880324 28800
> #      Wed Jan 21 14:45:24 2015 -0800
> # Node ID a8b8a0c237a20b8252427319d2d5dcc0d936f3ff
> # Parent  390410a6545d9088dc84392009f51500e3935a1c
> histedit: add a config allowing changing histedit rule line length limit

Queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.