Earlier, overly-long onelines would not be wrapped at all, and indented
with 6 spaces.
Instead, we now wrap around at 72 characters, with a first-line indent
of 2 spaces, and the rest with 4 spaces.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>