In real life, we will see a discussion that inspired this patch
discussing related and unrelated things around >8 scissors mark
in this part of the message.

Subject: [PATCH] BLAH TWO

And then we will see the scissors.

 This line is not a scissors mark -- >8 -- but talks about it.
 - - >8 - - please remove everything above this line - - >8 - -

Subject: [PATCH] Teach mailinfo to ignore everything before -- >8 -- mark
From: Junio C Hamano <gitster@pobox.com>

This teaches mailinfo the scissors -- >8 -- mark; the command ignores
everything before it in the message body.

Signed-off-by: Junio C Hamano <gitster@pobox.com>