One of the more popular notmuch message reading clients is
**notmuch.el**, an [emacs](http://www.gnu.org/software/emacs/) major
mode for interacting with notmuch. It is included in the notmuch
-package. This page goes over some usage tips for using notmuch with
-Emacs.
+package (notmuch-emacs in Debian). This page goes over some usage
+tips for using notmuch with Emacs.
[[!toc levels=2]]
## Setup
+Have a look at the [Howto](http://notmuchmail.org/howto/) for
+prerequisites. Be sure you have done the general setup using the
+notmuch cli command!
+
To use the Notmuch emacs mode, first add the following line to your
`.emacs` rc file:
(setq notmuch-hello-refresh-count new-count))))
(add-hook 'notmuch-hello-refresh-hook 'notmuch-hello-refresh-status-message)
+
+## Replacing tabs with spaces in subject and header
+
+Mailman mailing list software rewrites and rewraps long message subjects in
+a way that causes TABs to appear in the middle of the subject and header
+lines. Add this to your `.emacs` to replace tabs with spaces in subject
+lines:
+
+ (defun notmuch-show-subject-tabs-to-spaces ()
+ "Replace tabs with spaces in subject line."
+ (goto-char (point-min))
+ (when (re-search-forward "^Subject:" nil t)
+ (while (re-search-forward "\t" (line-end-position) t)
+ (replace-match " " nil nil))))
+
+ (add-hook 'notmuch-show-markup-headers-hook 'notmuch-show-subject-tabs-to-spaces)
+
+And in header lines (this will only work with the yet to be released
+notmuch version 0.15):
+
+ (defun notmuch-show-header-tabs-to-spaces ()
+ "Replace tabs with spaces in header line."
+ (setq header-line-format
+ (notmuch-show-strip-re
+ (replace-regexp-in-string "\t" " " (notmuch-show-get-subject)))))
+
+ (add-hook 'notmuch-show-hook 'notmuch-show-header-tabs-to-spaces)