fn linked_edit(
shared: &Shared,
from: &str,
key: &str,
start: f64,
) -> Result<TaskEdit, String>Expand description
What a task made from from starts with: a message’s subject, the message
linked, its sender and project; for an event, “Prepare: …”, its day as the
date asked, the event linked, its projects; else the thing’s title and a tie
to it (a contact involved, a project, a note describing it, anything related).