Someone emailed me multiple times using different subjects. In chronological order, let's refer to them as Email1, Email2, and Email3. If I reply to Email3, Gmail will automatically put Email3's body in block quotes below my message. How can I make that block quote additionally contain a nested block quote of Email2 and within that, contain a deeper nested block quote of Email1, with each layer having the
On <day of the week>, <date> at <time> <name> <email address> wrote:
information at the correct depth, as if all messages were part of the same thread?