She sends the weekly seminar announcement. Errata and addenda are also sent. And she send an acknowledgment for each incoming message. The acknowledgment also explicitly invites correction. Such a message, as every outgoing message, is composed in the composition workspace.
Composition consists of choosing a template and filling in the fields appropriately.
This is done by a simpler Copycat-like architecture, with information coming from the knowledge tracking module and from the attention registers. An ongoing copy of the current seminar announcement template is always present in the composition workspace. This copy is updated as new information arrives from the organizers. When the announcement is mailed, a new copy containing only default information replaces it. VMattie is written in Java and Perl.