> diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt > index 77eb591057..4bbbb188a4 100644 > --- a/Documentation/technical/pack-format.txt > +++ b/Documentation/technical/pack-format.txt > @@ -387,12 +387,15 @@ be used to generate a reverse index. > > Instead of mapping between offset, pack-, and index position, this > reverse index maps between an object's position within the MIDX, and > -that object's position within a pseudo-pack that the MIDX describes. > +that object's position within a pseudo-pack that the MIDX describes > +(i.e., the ith entry of the multi-pack reverse index holds the MIDX > +position of ith object in pseudo-pack order). > > -To clarify these three orderings, consider a multi-pack reachability > -bitmap (which does not yet exist, but is what we are building towards > -here). Each bit needs to correspond to an object in the MIDX, and so we > -need an efficient mapping from bit position to MIDX position. > +To clarify the difference between these orderings, consider a multi-pack > +reachability bitmap (which does not yet exist, but is what we are > +building towards here). Each bit needs to correspond to an object in the > +MIDX, and so we need an efficient mapping from bit position to MIDX > +position. > > One solution is to let bits occupy the same position in the oid-sorted > index stored by the MIDX. But because oids are effectively random, there Thanks - this diff makes sense.
