Re: [PATCH v3 08/12] refs: remove dead for_each_*_submodule()

> These are used in revision.c. After the last patch they are replaced
> with the refs_ version. Delete them (except for_each_remote_ref_submodule
> which is still used by submodule.c)
> 
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
>  Documentation/technical/api-ref-iteration.txt |  7 ++-----
>  refs.c                                        | 29 ---------------------------
>  refs.h                                        |  9 ---------
>  3 files changed, 2 insertions(+), 43 deletions(-)
> 
> diff --git a/Documentation/technical/api-ref-iteration.txt b/Documentation/technical/api-ref-iteration.txt
> index 37379d8337..c9e9a60dbd 100644
> --- a/Documentation/technical/api-ref-iteration.txt
> +++ b/Documentation/technical/api-ref-iteration.txt
> @@ -32,11 +32,8 @@ Iteration functions
>  
>  * `for_each_glob_ref_in()` the previous and `for_each_ref_in()` combined.
>  
> -* `head_ref_submodule()`, `for_each_ref_submodule()`,
> -  `for_each_ref_in_submodule()`, `for_each_tag_ref_submodule()`,
> -  `for_each_branch_ref_submodule()`, `for_each_remote_ref_submodule()`
> -  do the same as the functions described above but for a specified
> -  submodule.
> +* Use `refs_` API for accessing submodules. The submodule ref store could
> +  be obtained with `get_submodule_ref_store().