What is tm-view?
****************

   The tm-view is a general MIME viewer running on GNU Emacs.

   tm-view provides the major-mode called `mime/viewer-mode' (*Note
mime/viewer-mode::) to read MIME message for MUA.  MUA (*Note
(tm-en)MUA::) implementer can use it to add MIME function.

   tm-view is a user interface kernel to view and navigate MIME message.
tm-view drives some programs to navigate each content-type (*Note
(tm-en)content-type::)s, they are called *method* (See method).
tm-view calls some programs to display each contents and headers in
preview buffer, they are called *filter* (*Note Two buffers for an
article::).  Method and filters are tm-view application program.  They
expand tm-view to treat various kinds of MIME types.