Improve the acquisition of text parts.

This affects the new "reply" behaviour and the rendering of
application/octet-stream parts that are treated as text.


David Edmondson (3):
  emacs: `notmuch-show-insert-part-multipart/encrypted' should not
    assume     the presence of a button.
  emacs: Neaten `notmuch-show-insert-bodypart-internal'.
  emacs: Improve the acquisition of text parts.

 emacs/notmuch-lib.el  | 73 ++++++++++++++++++++++-----------------------------
 emacs/notmuch-show.el | 28 +++++++++-----------
 2 files changed, 43 insertions(+), 58 deletions(-)

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2.1.4