Merge branch 'ab/bundle-doc' into maint

Doc update. * ab/bundle-doc: bundle doc: replace "basis" with "prerequsite(s)" bundle doc: elaborate on rev<->ref restriction bundle doc: elaborate on object prerequisites bundle doc: rewrite the "DESCRIPTION" section

Junio C Hamano committed Oct 12, 2021 at 13:51 UTC dc79a67841a818d74039f2ca05eb84751d3052ab

No changes.