Copy notes

If we copy normal, assocated notes within the same DGN, moving the notes
works as expected, depending on GG lock. If we copy the notes between
DGN files, the ORIGINAL set of notes gets a second disassociated leader
(in the Broken association symbology). The copied notes & original notes
"move" properly, but why does this second leader get put in the file?

(Ok, I know there are inherent problems copying associated elements like
notes & dimensions, but in this case, it seemd that the copied elements
end up working just fine.)

Microstation V8i and V8XM, Win XP SP3