[]But the tough part becomes how you deal with the thread in threaded view.[/]
One approach would be to use a "dual threaded" structure, analogous to that used for doubly-linked lists. So each post could have two parents. But that's complicated.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.