.

wcfs/internal/zdata/δftail.go

@@ -781,8 +781,6 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 // zf must be any checkout from (tail, head]
 // at must ∈ (tail, head]
 // blk must be tracked
-//
-// XXX +ctx, error	rebuild []δF here
 func (δFtail *ΔFtail) BlkRevAt(ctx context.Context, zf *ZBigFile, blk int64, at zodb.Tid) (_ zodb.Tid, exact bool) {
 	rev, exact, err := δFtail._BlkRevAt(ctx, zf, blk, at)
 	if err != nil {