Notably, the "--unreachable" flag no longer depends on specified heads, and we should document what happens if no heads are given.
Added delta documentation Signed-off-by: David Greaves <david@dgreaves.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Split the core-git.txt file Formatting fix to the diff-format.txt Signed-off-by: David Greaves <david@dgreaves.com>