This is a time when many patches are arriving, so reviewing patches
efficiently is important.
My understanding was that diff -c was the only approved patch submission
format, but I note at least 3 people have submitted patches in other
formats in the last week.
It often seems like there's only a few people on the lists, but many
people are watching. Sticking to diff -c format helps those people to
review and comment back.
I've not always done this myself, so forgive me for casting the first
stone. This isn't aimed at anyone, just a general comment.
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Best Regards, Simon Riggs