[PATCH v2 3/3] show: Introduce mime_node formatter callback

[Tomi Ollila]

On Sun, 22 Jan 2012 21:31:13 -0500, Austin Clements <amdragon at MIT.EDU> wrote:
> This callback is the gateway to the new mime_node_t-based formatters.
> This maintains backwards compatibility so the formatters can be
> transitioned one at a time.  Once all formatters are converted, the
> formatter structure can be reduced to only message_set_{start,sep,end}
> and part, most of show_message can be deleted, and all of
> show-message.c can be deleted.
> ---

LGTM.

Tomi