Re: [PATCH v6] diff: add config option relative

Laurent Arnoud [off-list ref] writes:

Subject: Re: [PATCH v6] diff: add config option relative

This is not a new problem with this round, but can you stop starting
a new iteration that is v6 with "Subject: Re: [PATCH v6]"? 

It is good to make v6 a reply to v6, but this is the *first* message
that begins v6 iteration, so it is easier to find it without "Re:"
prefix.

Thanks.