Fetaure request: Show To and CC

[becarpenter]

It would be helpful if the normal view of a message showed all addressees, i.e. the To: and Cc: fields. At present the only way to see them is by viewing all the headers, which is messy.

The reason for this is to know when a message has been sent or copied to multiple lists and/or individuals. For example, https://mailarchive.ietf.org/arch/msg/gen-art/yS5GdXvzqZhMdueyTjQjRlUVjvg was sent to several lists, not just gen-art.