Hello Masahiko-san,
>> Attached the updated version patch.
>
> Applies, compiles, make check & tap test ok, doc is fine.
>
> All is well for me: the feature is useful, code is simple and clean, it is
> easy to invoke, easy to extend as well, which I'm planning to do once it gets
> in.
>
> I switched the patch to "Ready for Committers". No doubt they will have their
> own opinions about it. Let's wait and see.
The patch needs a rebase in the documentation because of the xml-ilization
of the sgml doc.
--
Fabien.