user-manual: how to replace commits older than most recent
user-manual: how to replace commits older than most recent

"Modifying" an old commit by checking it out, --amend'ing it, then
rebasing on top of it, is a slightly cumbersome technique, but I've
found it useful frequently enough to make it seem worth documenting.

Signed-off-by: "J. Bruce Fields" <51738506c1b2ccb0761f23bdc612c93babf738ea@citi.umich.edu>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git