 persisted.<br/>
You only need to persist it once - after that all changes will be saved.

<h3>Snapshot Session As...</h3>
This saves a snapshot of a session that has already been persisted.<br/>
It will suggest the same filename as the persisted session with a date-time string appended to it, and allow the user to set whatever name they choose.<br/>

<h3>Session Properties...</h3>
This displays the <a href="../dialogs/session/sessprop.html">Πληροφορίες Συνεδρίας</a> dialog.<br/>
This al