[PATCH 1 of 2 STABLE V2] revsets: remove incorrect doc line

[timeless]

I don't understand. I think it's correct.

It's also parallel to:

There is a single prefix operator:

"not x"
  Changesets not in x. Short form is "! x".

(Which is slightly inaccurate, s/operator/operation/ -- there are two
operators: `not`, `!`.)

On Wed, Apr 27, 2016 at 5:16 PM, Sean Farley <sean at farley.io> wrote:
> # HG changeset patch
> # User Sean Farley <sean at farley.io>
> # Date 1461790929 25200
> #      Wed Apr 27 14:02:09 2016 -0700
> # Branch stable
> # Node ID c94d5bcf19875b7b1b04ade9ad2bfb04f80ef1ae
> # Parent  cfcd065cae29673c180892ae692e986661a4adc6
> # EXP-Topic doc-only-revset
> revsets: remove incorrect doc line
>
> diff --git a/mercurial/help/revsets.txt b/mercurial/help/revsets.txt
> --- a/mercurial/help/revsets.txt
> +++ b/mercurial/help/revsets.txt
> @@ -48,12 +48,10 @@ These are the supported infix operators:
>    for n == 2, the second parent of changeset in x.
>
>  ``x~n``
>    The nth first ancestor of x; ``x~0`` is x; ``x~3`` is ``x^^^``.
>
> -There is a single postfix operator:
> -
>  ``x^``
>    Equivalent to ``x^1``, the first parent of each changeset in x.
>
>
>  The following predicates are supported:
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