Fix problem with positioning reprioritized memberships.
Detailed changes: > 2004-07-21 David Byers <firstname.lastname@example.org> > > * mship-edit.el (lp--update-buffer): When updating an existing > membership, use its position if it has one, or things could go > very wrong. > > * commands1.el (lyskom-add-member): Query the membership cache for > the new position of the membership instead of attempting (and > failing) to duplicate the logic here. > > * reading.el (lyskom-membership-list-prepend): Summport > simulation. > (lyskom-membership-list-insert-position): New function. > (lyskom-membership-list-insert): Support simulation. > (lyskom-query-membership-position): New function. > (lyskom-membership-list-append): Support simulation. >