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doc/emacs: add discussion about notmuch-show performance.

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Most of the information is already in the docstrings, but hopefully
by grouping it is more discoverable.
This commit is contained in:
David Bremner 2022-06-27 22:02:05 -03:00
parent bde8ea5d1d
commit 5e17495ab7
1 changed files with 31 additions and 10 deletions
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41
doc/notmuch-emacs.rst
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@ -266,7 +266,7 @@ pressing RET after positioning the cursor on a hidden part.
``?``
Display full set of key bindings
Display of messages can be controlled by the following variables
Display of messages can be controlled by the following variables; see also :ref:`show-large`.
:index:`notmuch-message-headers`
|docstring::notmuch-message-headers|
@ -277,15 +277,6 @@ Display of messages can be controlled by the following variables
:index:`notmuch-show-header-line`
|docstring::notmuch-show-header-line|
:index:`notmuch-show-depth-limit`
|docstring::notmuch-show-depth-limit|
:index:`notmuch-show-height-limit`
|docstring::notmuch-show-height-limit|
:index:`notmuch-show-max-text-part-size`
|docstring::notmuch-show-max-text-part-size|
:index:`notmuch-multipart/alternative-discouraged`
Which mime types to hide by default for multipart messages.
@ -307,6 +298,36 @@ Display of messages can be controlled by the following variables
(t
(list "text/html" "multipart/related")))))
.. _show-large:
Dealing with large messages and threads
---------------------------------------
If you are finding :ref:`notmuch-show` is annoyingly slow displaying
large messages, you can customize
:index:`notmuch-show-max-text-part-size`. If you want to speed up the
display of large threads (with or without large messages), there are
several options. First, you can display the same query in one of the
other modes. :ref:`notmuch-unthreaded` is the most robust for
extremely large queries, but :ref:`notmuch-tree` is also be faster
than :ref:`notmuch-show` in general, since it only renders a single
message a time. If you prefer to stay with the rendered thread
("conversation") view of :ref:`notmuch-show`, you can customize the
variables :index:`notmuch-show-depth-limit`,
:index:`notmuch-show-height-limit` and
:index:`notmuch-show-max-text-part-size` to limit the amount of
rendering done initially. Note that these limits are implicitly
*OR*-ed together, and combinations might have surprising effects.
:index:`notmuch-show-depth-limit`
|docstring::notmuch-show-depth-limit|
:index:`notmuch-show-height-limit`
|docstring::notmuch-show-height-limit|
:index:`notmuch-show-max-text-part-size`
|docstring::notmuch-show-max-text-part-size|
.. _show-copy:
Copy to kill-ring