On Thu, May 10, 2012 at 9:28 AM, Stephen J. Turnbull <stephen@xemacs.org> wrote:

The MIME *approach* probably *is* portable; you didn't test it.

The MIME *type* application/emacs-lisp is *non*-portable. That's
exactly what the "application" type is for.

What is the MIME approach to handling text that is perfectly fine to display plainly, but can be optionally enhanced with for example syntax highlighting?

Are MUAs supposed to have a list of all of them? Wouldn't it be better with "Content-type: text/plain/elisp" or some such?

Naïvely,

-- René