folders are sorted first by subject, then by date. Subject sorting is
case insensitive and disregards leading re:, fw: and fwd: prefixes.
Threading can be toggled via the T hotkey or the option menu.
The icons could use improvement.
Threading state is maintained during a run of K-9, among all
accounts.
a red/bold subject. Can be done in the FolderMessageList using the
hotkey G (toggle) or by long-pressing the message to bring up the
message context menu. Can be done while viewing an individual message
by using the hotkey G (toggle). To-do: add a Flag/Unflag option to a
menu in the individual message view.
Add sending the Answered flag to the IMAP server when replying to a
message. This is currently done as soon as the reply is started.
Perhaps it would be better to wait until the reply is sent, but that
would require keeping additional state with the draft. Messages to
which the user has replied are indicated with a white arrow next to
the subject.
To-do: In the MessageView, provide visual indication of Flagged and
Answered states.
