emacs: document/defcustom notmuch-multipart/alternative-discouraged

[notmuch] / doc / notmuch-emacs.rst

diff --git a/doc/notmuch-emacs.rst b/doc/notmuch-emacs.rst
index f2667de16b9928c1dd2b976f36aadcd31573be69..ec7dee78ac80867b345f412e4667af14825fbc8a 100644 (file)
--- a/doc/notmuch-emacs.rst
+++ b/doc/notmuch-emacs.rst
@@ -221,6 +221,9 @@ pressing RET after positioning the cursor on a hidden part.
 ``+,-``
     Add or remove arbitrary tags from the current message.
 
+``!``
+    |docstring::notmuch-show-toggle-elide-non-matching|
+
 ``?``
     Display full set of key bindings
 
@@ -235,6 +238,27 @@ Display of messages can be controlled by the following variables
 :index:`notmuch-show-header-line`
        |docstring::notmuch-show-header-line|
 
+:index:`notmuch-multipart/alternative-discouraged`
+
+   Which mime types to hide by default for multipart messages.
+
+   Can either be a list of mime types (as strings) or a function
+   mapping a plist representing the current message to such a list.
+   The following example function would discourage `text/html` and
+   `multipart/related` generally, but discourage `text/plain` should
+   the message be sent from `whatever@example.com`.
+
+   .. code:: lisp
+
+      (defun my--determine-discouraged (msg)
+        (let* ((headers (plist-get msg :headers))
+               (from (or (plist-get headers :From) "")))
+          (cond
+           ((string-match "whatever@example.com" from)
+            (list "text/plain"))
+           (t
+            (list "text/html" "multipart/related")))))
+
 .. _show-copy:
 
 Copy to kill-ring
@@ -354,6 +378,8 @@ following key bindings:
 ``k``
     Tagging operations using :ref:`notmuch-tag-jump`
 
+``C-_`` ``C-/`` ``C-x u``: Undo previous tagging operation using :ref:`notmuch-tag-undo`
+
 .. _notmuch-jump:
 
 notmuch-jump
@@ -383,6 +409,21 @@ operations specified in ``notmuch-tagging-keys``; i.e. each
 
   |docstring::notmuch-tagging-keys|
 
+.. _notmuch-tag-undo:
+
+notmuch-tag-undo
+----------------
+
+Each notmuch buffer supporting tagging operations (i.e buffers in
+:any:`notmuch-show`, :any:`notmuch-search`, :any:`notmuch-tree`, and
+:any:`notmuch-unthreaded` mode) keeps a local stack of tagging
+operations. These can be undone via ``notmuch-tag-undo``. By default
+this is bound to the usual Emacs keys for undo.
+
+:index:`notmuch-tag-undo`
+
+   |docstring::notmuch-tag-undo|
+
 Buffer navigation
 =================