manual: Adjust twalk_r documentation.

  Florian,

While reviewing twalk_r for a response to your other thread
I foudn that I'd missed some typos in the manual. They stem
from the use of 'which' in the manual, but 'value' in the
headers.

8< --- 8< --- 8<
From 5f2cf01ced480022be7fc1deaad6582cd7e3cc94 Mon Sep 17 00:00:00 2001
From: Carlos O'Donell <carlos@redhat.com>
Date: Tue, 14 May 2019 15:33:02 -0400
Subject: [PATCH] manual: Adjust twalk_r documentation.

---
 ChangeLog          | 5 +++++
 manual/search.texi | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)
  

* Carlos O'Donell:

> diff --git a/manual/search.texi b/manual/search.texi
> index 979732f027..60c851229c 100644
> --- a/manual/search.texi
> +++ b/manual/search.texi
> @@ -630,8 +630,8 @@ see the @code{twalk_r} function below.
>  For each node in the tree with a node pointed to by @var{root}, the
>  @code{twalk_r} function calls the function provided by the parameter
>  @var{action}.  For leaf nodes the function is called exactly once with
> -@var{value} set to @code{leaf}.  For internal nodes the function is
> -called three times, setting the @var{value} parameter or @var{action} to
> +@var{which} set to @code{leaf}.  For internal nodes the function is
> +called three times, setting the @var{which} parameter of @var{action} to
>  the appropriate value.  The @var{closure} parameter is passed down to
>  each call of the @var{action} function, unmodified.

Looks good to me.  Thanks for fixing this.

Florian
  

On 5/14/19 3:49 PM, Florian Weimer wrote:
> * Carlos O'Donell:
> 
>> diff --git a/manual/search.texi b/manual/search.texi
>> index 979732f027..60c851229c 100644
>> --- a/manual/search.texi
>> +++ b/manual/search.texi
>> @@ -630,8 +630,8 @@ see the @code{twalk_r} function below.
>>  For each node in the tree with a node pointed to by @var{root}, the
>>  @code{twalk_r} function calls the function provided by the parameter
>>  @var{action}.  For leaf nodes the function is called exactly once with
>> -@var{value} set to @code{leaf}.  For internal nodes the function is
>> -called three times, setting the @var{value} parameter or @var{action} to
>> +@var{which} set to @code{leaf}.  For internal nodes the function is
>> +called three times, setting the @var{which} parameter of @var{action} to
>>  the appropriate value.  The @var{closure} parameter is passed down to
>>  each call of the @var{action} function, unmodified.
> 
> Looks good to me.  Thanks for fixing this.

I pinged you on IRC to get your Reviewed-by:, thanks for that.

Pushed.