emacs: Shorten long lines

17 files changed, 326 insertions, 187 deletions

diff --git a/emacs/coolj.el b/emacs/coolj.el
index 350d537f..5d311170 100644
--- a/emacs/coolj.el
+++ b/emacs/coolj.el
@@ -1,6 +1,6 @@
 ;;; coolj.el --- automatically wrap long lines  -*- coding:utf-8 -*-
 
-;; Copyright (C) 2000, 2001, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; Copyright (C) 2000, 2001, 2004-2009 Free Software Foundation, Inc.
 
 ;; Authors:    Kai Grossjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
 ;;             Alex Schroeder <alex@gnu.org>
diff --git a/emacs/notmuch-address.el b/emacs/notmuch-address.el
index 0d56fba7..2a9c411a 100644
--- a/emacs/notmuch-address.el
+++ b/emacs/notmuch-address.el
@@ -195,10 +195,11 @@ external commands."
    ((eq notmuch-address-command 'internal)
     (unless (notmuch-address--harvest-ready)
       ;; First, run quick synchronous harvest based on what the user
-      ;; entered so far
+      ;; entered so far.
       (notmuch-address-harvest original t))
     (prog1 (notmuch-address-matching original)
-      ;; Then start the (potentially long-running) full asynchronous harvest if necessary
+      ;; Then start the (potentially long-running) full asynchronous
+      ;; harvest if necessary.
       (notmuch-address-harvest-trigger)))
    (t
     (process-lines notmuch-address-command original))))
@@ -241,7 +242,8 @@ external commands."
 	    (push chosen notmuch-address-history)
 	    (delete-region beg end)
 	    (insert chosen)
-	    (run-hook-with-args 'notmuch-address-post-completion-functions chosen))
+	    (run-hook-with-args 'notmuch-address-post-completion-functions
+				chosen))
 	(message "No matches.")
 	(ding))))
    (t nil)))
@@ -393,10 +395,11 @@ to be a saved address hash."
 	      ;; The file exists, check it is a file we saved
 	    (notmuch-address--get-address-hash))
 	(with-temp-file notmuch-address-save-filename
-	  (let ((save-plist (list :version notmuch-address--save-hash-version
-				  :completion-settings notmuch-address-internal-completion
-				  :last-harvest notmuch-address-last-harvest
-				  :completions notmuch-address-completions)))
+	  (let ((save-plist
+		 (list :version notmuch-address--save-hash-version
+		       :completion-settings notmuch-address-internal-completion
+		       :last-harvest notmuch-address-last-harvest
+		       :completions notmuch-address-completions)))
 	    (print "notmuch-address-hash" (current-buffer))
 	    (print save-plist (current-buffer))))
       (message "\
@@ -408,16 +411,17 @@ appear to be an address savefile.  Not overwriting."
   (let ((now (float-time)))
     (when (> (- now notmuch-address-last-harvest) 86400)
       (setq notmuch-address-last-harvest now)
-      (notmuch-address-harvest nil nil
-			       (lambda (proc event)
-				 ;; If harvest fails, we want to try
-				 ;; again when the trigger is next
-				 ;; called
-				 (if (string= event "finished\n")
-				     (progn
-				       (notmuch-address--save-address-hash)
-				       (setq notmuch-address-full-harvest-finished t))
-				   (setq notmuch-address-last-harvest 0)))))))
+      (notmuch-address-harvest
+       nil nil
+       (lambda (proc event)
+	 ;; If harvest fails, we want to try
+	 ;; again when the trigger is next
+	 ;; called
+	 (if (string= event "finished\n")
+	     (progn
+	       (notmuch-address--save-address-hash)
+	       (setq notmuch-address-full-harvest-finished t))
+	   (setq notmuch-address-last-harvest 0)))))))
 
 ;;
 
diff --git a/emacs/notmuch-company.el b/emacs/notmuch-company.el
index ac998f9b..c1f3594e 100644
--- a/emacs/notmuch-company.el
+++ b/emacs/notmuch-company.el
@@ -69,9 +69,11 @@
     (cl-case command
       (interactive (company-begin-backend 'notmuch-company))
       (prefix (and (derived-mode-p 'message-mode)
-		   (looking-back (concat notmuch-address-completion-headers-regexp ".*")
-				 (line-beginning-position))
-		   (setq notmuch-company-last-prefix (company-grab "[:,][ \t]*\\(.*\\)" 1 (point-at-bol)))))
+		   (looking-back
+		    (concat notmuch-address-completion-headers-regexp ".*")
+		    (line-beginning-position))
+		   (setq notmuch-company-last-prefix
+			 (company-grab "[:,][ \t]*\\(.*\\)" 1 (point-at-bol)))))
       (candidates (cond
 		   ((notmuch-address--harvest-ready)
 		    ;; Update harvested addressed from time to time
@@ -80,17 +82,20 @@
 		   (t
 		    (cons :async
 			  (lambda (callback)
-			    ;; First run quick asynchronous harvest based on what the user entered so far
+			    ;; First run quick asynchronous harvest
+			    ;; based on what the user entered so far
 			    (notmuch-address-harvest
 			     arg nil
 			     (lambda (_proc _event)
 			       (funcall callback (notmuch-address-matching arg))
-			       ;; Then start the (potentially long-running) full asynchronous harvest if necessary
+			       ;; Then start the (potentially long-running)
+			       ;; full asynchronous harvest if necessary
 			       (notmuch-address-harvest-trigger))))))))
       (match (if (string-match notmuch-company-last-prefix arg)
 		 (match-end 0)
 	       0))
-      (post-completion (run-hook-with-args 'notmuch-address-post-completion-functions arg))
+      (post-completion
+       (run-hook-with-args 'notmuch-address-post-completion-functions arg))
       (no-cache t))))
 
 
diff --git a/emacs/notmuch-crypto.el b/emacs/notmuch-crypto.el
index c201d0d7..2327ff1f 100644
--- a/emacs/notmuch-crypto.el
+++ b/emacs/notmuch-crypto.el
@@ -161,7 +161,8 @@ by user FROM."
 	(goto-char (point-max))
 	(insert (format "-- Key %s in message %s:\n"
 			fingerprint id))
-	(call-process notmuch-crypto-gpg-program nil t t "--batch" "--no-tty" "--list-keys" fingerprint))
+	(call-process notmuch-crypto-gpg-program nil t t
+		      "--batch" "--no-tty" "--list-keys" fingerprint))
       (recenter -1))))
 
 (declare-function notmuch-show-refresh-view "notmuch-show" (&optional reset-state))
@@ -220,12 +221,13 @@ corresponding key when the status button is pressed."
 	  (with-current-buffer buffer
 	    (goto-char (point-max))
 	    (insert (format "--- Retrieving key %s:\n" keyid)))
-	  (let ((p (make-process :name "notmuch GPG key retrieval"
-				 :connection-type 'pipe
-				 :buffer buffer
-				 :stderr buffer
-				 :command (list notmuch-crypto-gpg-program "--recv-keys" keyid)
-				 :sentinel #'notmuch-crypto--async-key-sentinel)))
+	  (let ((p (make-process
+		    :name "notmuch GPG key retrieval"
+		    :connection-type 'pipe
+		    :buffer buffer
+		    :stderr buffer
+		    :command (list notmuch-crypto-gpg-program "--recv-keys" keyid)
+		    :sentinel #'notmuch-crypto--async-key-sentinel)))
 	    (process-put p :gpg-key-id keyid)
 	    (process-put p :notmuch-show-buffer (current-buffer))
 	    (process-put p :notmuch-show-point (point))
diff --git a/emacs/notmuch-draft.el b/emacs/notmuch-draft.el
index 27abc7d9..c3cb619f 100644
--- a/emacs/notmuch-draft.el
+++ b/emacs/notmuch-draft.el
@@ -154,12 +154,14 @@ Used when a new version is saved, or the message is sent."
 `notmuch-draft-save-plaintext' controls the behaviour."
   (cl-case notmuch-draft-save-plaintext
 	((ask)
-	 (unless (yes-or-no-p "(Customize `notmuch-draft-save-plaintext' to avoid this warning)
+	 (unless (yes-or-no-p
+		  "(Customize `notmuch-draft-save-plaintext' to avoid this warning)
 This message contains mml tags that suggest it is intended to be encrypted.
 Really save and index an unencrypted copy? ")
 	   (error "Save aborted")))
 	((nil)
-	 (error "Refusing to save draft with encryption tags (see `notmuch-draft-save-plaintext')"))
+	 (error "Refusing to save draft with encryption tags (see `%s')"
+		'notmuch-draft-save-plaintext))
 	((t)
 	 (ignore))))
 
@@ -192,14 +194,16 @@ applied to newly inserted messages)."
        (message-remove-header "Message-ID")
        (message-add-header (concat "Message-ID: <" id ">")))
       (t
-       (message "You have customized emacs so Message-ID is not a deletable header, so not changing it")
+       (message "You have customized emacs so Message-ID is not a %s"
+		"deletable header, so not changing it")
        (setq id nil)))
      (cond
       ((member 'Date message-deletable-headers)
        (message-remove-header "Date")
        (message-add-header (concat "Date: " (message-make-date))))
       (t
-       (message "You have customized emacs so Date is not a deletable header, so not changing it")))
+       (message "You have customized emacs so Date is not a deletable %s"
+		"header, so not changing it")))
      (message-add-header "X-Notmuch-Emacs-Draft: True")
      (notmuch-draft-quote-some-mml)
      (notmuch-maildir-setup-message-for-saving)
diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index 0ff5aaff..11c625ea 100644
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -29,7 +29,8 @@
 (require 'notmuch-lib)
 (require 'notmuch-mua)
 
-(declare-function notmuch-search "notmuch" (&optional query oldest-first target-thread target-line continuation))
+(declare-function notmuch-search "notmuch"
+		  (&optional query oldest-first target-thread target-line continuation))
 (declare-function notmuch-poll "notmuch" ())
 (declare-function notmuch-tree "notmuch-tree"
 		  (&optional query query-context target buffer-name open-target unthreaded))
@@ -91,18 +92,28 @@ searches so they still work in customize."
   :tag "Saved Search"
   :args '((list :inline t
 		:format "%v"
-		(group :format "%v" :inline t (const :format "   Name: " :name) (string :format "%v"))
-		(group :format "%v" :inline t (const :format "  Query: " :query) (string :format "%v")))
+		(group :format "%v" :inline t
+		       (const :format "   Name: " :name)
+		       (string :format "%v"))
+		(group :format "%v" :inline t
+		       (const :format "  Query: " :query)
+		       (string :format "%v")))
 	  (checklist :inline t
 		     :format "%v"
-		     (group :format "%v" :inline t (const :format "Shortcut key: " :key) (key-sequence :format "%v"))
-		     (group :format "%v" :inline t (const :format "Count-Query: " :count-query) (string :format "%v"))
-		     (group :format "%v" :inline t (const :format "" :sort-order)
+		     (group :format "%v" :inline t
+			    (const :format "Shortcut key: " :key)
+			    (key-sequence :format "%v"))
+		     (group :format "%v" :inline t
+			    (const :format "Count-Query: " :count-query)
+			    (string :format "%v"))
+		     (group :format "%v" :inline t
+			    (const :format "" :sort-order)
 			    (choice :tag " Sort Order"
 				    (const :tag "Default" nil)
 				    (const :tag "Oldest-first" oldest-first)
 				    (const :tag "Newest-first" newest-first)))
-		     (group :format "%v" :inline t (const :format "" :search-type)
+		     (group :format "%v" :inline t
+			    (const :format "" :search-type)
 			    (choice :tag " Search Type"
 				    (const :tag "Search mode" nil)
 				    (const :tag "Tree mode" tree)
@@ -474,7 +485,8 @@ should be. Returns a cons cell `(tags-per-line width)'."
 
 	  ((floatp notmuch-column-control)
 	   (let* ((available-width (- (window-width) notmuch-hello-indent))
-		  (proposed-width (max (* available-width notmuch-column-control) widest)))
+		  (proposed-width (max (* available-width notmuch-column-control)
+				       widest)))
 	     (floor available-width proposed-width)))
 
 	  (t
@@ -536,8 +548,9 @@ options will be handled as specified for
 
     (unless (= (call-process-region (point-min) (point-max) notmuch-command
 				    t t nil "count" "--batch") 0)
-      (notmuch-logged-error "notmuch count --batch failed"
-			    "Please check that the notmuch CLI is new enough to support `count
+      (notmuch-logged-error
+       "notmuch count --batch failed"
+       "Please check that the notmuch CLI is new enough to support `count
 --batch'. In general we recommend running matching versions of
 the CLI and emacs interface."))
 
@@ -553,7 +566,8 @@ the CLI and emacs interface."))
 				search-query (plist-get options :filter)))
 	       (message-count (prog1 (read (current-buffer))
 				(forward-line 1))))
-	  (when (and filtered-query (or (plist-get options :show-empty-searches) (> message-count 0)))
+	  (when (and filtered-query (or (plist-get options :show-empty-searches)
+					(> message-count 0)))
 	    (setq elem-plist (plist-put elem-plist :query filtered-query))
 	    (plist-put elem-plist :count message-count))))
       query-list))))
@@ -740,7 +754,9 @@ Complete list of currently available key bindings:
       ;; dark background.
       (setq image (cons 'image
 			(append (cdr image)
-				(list :background (face-background 'notmuch-hello-logo-background)))))
+				(list :background
+				      (face-background
+				       'notmuch-hello-logo-background)))))
       (insert-image image))
     (widget-insert "  "))
 
@@ -760,7 +776,8 @@ Complete list of currently available key bindings:
 			     (notmuch-hello-update))
 		   :help-echo "Refresh"
 		   (notmuch-hello-nice-number
-		    (string-to-number (car (process-lines notmuch-command "count")))))
+		    (string-to-number
+		     (car (process-lines notmuch-command "count")))))
     (widget-insert " messages.\n")))
 
 
diff --git a/emacs/notmuch-jump.el b/emacs/notmuch-jump.el
index 84fe2b9c..6d8cd97f 100644
--- a/emacs/notmuch-jump.el
+++ b/emacs/notmuch-jump.el
@@ -70,7 +70,8 @@ fast way to jump to a saved search from anywhere in Notmuch."
 
     (if action-map
 	(notmuch-jump action-map "Search: ")
-      (error "To use notmuch-jump, please customize shortcut keys in notmuch-saved-searches."))))
+      (error "To use notmuch-jump, \
+please customize shortcut keys in notmuch-saved-searches."))))
 
 (defvar notmuch-jump--action nil)
 
@@ -200,7 +201,9 @@ buffer."
 	      (define-key map keystr
 		`(lambda () (interactive)
 		   (setq notmuch-jump--action
-			 ',(apply-partially #'notmuch-jump action-submap new-prompt))
+			 ',(apply-partially #'notmuch-jump
+					    action-submap
+					    new-prompt))
 		   (exit-minibuffer)))))))
     map))
 
diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index 0bb08eb2..9339f9d0 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -316,8 +316,10 @@ It does not prepend if ACTUAL-KEY is already listed in TAIL."
 		tail)))
       ;; Documentation for command
       (push (cons key-string
-		  (or (and (symbolp binding) (get binding 'notmuch-doc))
-		      (and (functionp binding) (notmuch-documentation-first-line binding))))
+		  (or (and (symbolp binding)
+			   (get binding 'notmuch-doc))
+		      (and (functionp binding)
+			   (notmuch-documentation-first-line binding))))
 	    tail)))
     tail)
 
@@ -327,13 +329,13 @@ It does not prepend if ACTUAL-KEY is already listed in TAIL."
   ;; binding whose "key" is 'remap, and whose "binding" is itself a
   ;; keymap that maps not from keys to commands, but from old (remapped)
   ;; functions to the commands to use in their stead.
-  (map-keymap
-   (lambda (command binding)
-     (mapc
-      (lambda (actual-key)
-	(setq tail (notmuch-describe-key actual-key binding prefix ua-keys tail)))
-      (where-is-internal command base-keymap)))
-   remap-keymap)
+  (map-keymap (lambda (command binding)
+		(mapc (lambda (actual-key)
+			(setq tail
+			      (notmuch-describe-key actual-key binding
+						    prefix ua-keys tail)))
+		      (where-is-internal command base-keymap)))
+	      remap-keymap)
   tail)
 
 (defun notmuch-describe-keymap (keymap ua-keys base-keymap &optional prefix tail)
@@ -356,9 +358,13 @@ prefix argument.  PREFIX and TAIL are used internally."
 		      (notmuch-describe-remaps
 		       binding ua-keys base-keymap prefix tail)
 		    (notmuch-describe-keymap
-		     binding ua-keys base-keymap (notmuch-prefix-key-description key) tail))))
+		     binding ua-keys base-keymap
+		     (notmuch-prefix-key-description key)
+		     tail))))
 	   (binding
-	    (setq tail (notmuch-describe-key (vector key) binding prefix ua-keys tail)))))
+	    (setq tail
+		  (notmuch-describe-key (vector key)
+					binding prefix ua-keys tail)))))
    keymap)
   tail)
 
@@ -368,11 +374,15 @@ prefix argument.  PREFIX and TAIL are used internally."
     (while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
       (let ((desc
 	     (save-match-data
-	       (let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
+	       (let* ((keymap-name (substring doc
+					      (match-beginning 1)
+					      (match-end 1)))
 		      (keymap (symbol-value (intern keymap-name)))
 		      (ua-keys (where-is-internal 'universal-argument keymap t))
 		      (desc-alist (notmuch-describe-keymap keymap ua-keys keymap))
-		      (desc-list (mapcar (lambda (arg) (concat (car arg) "\t" (cdr arg))) desc-alist)))
+		      (desc-list (mapcar (lambda (arg)
+					   (concat (car arg) "\t" (cdr arg)))
+					 desc-alist)))
 		 (mapconcat #'identity desc-list "\n")))))
 	(setq doc (replace-match desc 1 1 doc)))
       (setq beg (match-end 0)))
@@ -391,7 +401,8 @@ its prefixed behavior by setting the 'notmuch-prefix-doc property
 of its command symbol."
   (interactive)
   (let* ((mode major-mode)
-	 (doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
+	 (doc (substitute-command-keys
+	       (notmuch-substitute-command-keys (documentation mode t)))))
     (with-current-buffer (generate-new-buffer "*notmuch-help*")
       (insert doc)
       (goto-char (point-min))
@@ -411,8 +422,10 @@ of its command symbol."
     (let* ((subkeymap (key-binding prefix))
 	   (ua-keys (where-is-internal 'universal-argument nil t))
 	   (prefix-string (notmuch-prefix-key-description prefix))
-	   (desc-alist (notmuch-describe-keymap subkeymap ua-keys subkeymap prefix-string))
-	   (desc-list (mapcar (lambda (arg) (concat (car arg) "\t" (cdr arg))) desc-alist))
+	   (desc-alist (notmuch-describe-keymap
+			subkeymap ua-keys subkeymap prefix-string))
+	   (desc-list (mapcar (lambda (arg) (concat (car arg) "\t" (cdr arg)))
+			      desc-alist))
 	   (desc (mapconcat #'identity desc-list "\n")))
       (with-help-window (help-buffer)
 	(with-current-buffer standard-output
@@ -547,7 +560,8 @@ This replaces spaces, percents, and double quotes in STR with
   '(
     ;; Avoid HTML parts.
     "text/html"
-    ;; multipart/related usually contain a text/html part and some associated graphics.
+    ;; multipart/related usually contain a text/html part and some
+    ;; associated graphics.
     "multipart/related"
     ))
 
@@ -602,8 +616,9 @@ the given type."
 				   ,(notmuch-id-to-query (plist-get msg :id))))
 			   (coding-system-for-read
 			    (if binaryp 'no-conversion
-			      (let ((coding-system (mm-charset-to-coding-system
-						    (plist-get part :content-charset))))
+			      (let ((coding-system
+				     (mm-charset-to-coding-system
+				      (plist-get part :content-charset))))
 				;; Sadly,
 				;; `mm-charset-to-coding-system' seems
 				;; to return things that are not
@@ -615,7 +630,8 @@ the given type."
 				  ;; charset is US-ASCII. RFC6657
 				  ;; complicates this somewhat.
 				  'us-ascii)))))
-		       (apply #'call-process notmuch-command nil '(t nil) nil args)
+		       (apply #'call-process
+			      notmuch-command nil '(t nil) nil args)
 		       (buffer-string))))))
     (when (and cache data)
       (plist-put part plist-elem data))
@@ -670,7 +686,8 @@ current buffer, if possible."
       (let* ((have-content (plist-member part :content))
 	     (charset (if have-content 'gnus-decoded
 			(plist-get part :content-charset)))
-	     (handle (mm-make-handle (current-buffer) `(,content-type (charset . ,charset)))))
+	     (handle (mm-make-handle (current-buffer)
+				     `(,content-type (charset . ,charset)))))
 	;; If the user wants the part inlined, insert the content and
 	;; test whether we are able to inline it (which includes both
 	;; capability and suitability tests).
@@ -786,7 +803,8 @@ provided, it is taken from `process-command'."
 	   ((exit) (process-exit-status proc))
 	   ((signal) msg))))
     (when exit-status
-      (notmuch-check-exit-status exit-status (or command (process-command proc))
+      (notmuch-check-exit-status exit-status
+				 (or command (process-command proc))
 				 nil err))))
 
 (defun notmuch-check-exit-status (exit-status command &optional output err)
diff --git a/emacs/notmuch-maildir-fcc.el b/emacs/notmuch-maildir-fcc.el
index e95de63b..4b10a731 100644
--- a/emacs/notmuch-maildir-fcc.el
+++ b/emacs/notmuch-maildir-fcc.el
@@ -135,8 +135,9 @@ by notmuch-mua-mail."
   ;; really want this header inserted.
 
   (when (or (not (= (elt subdir 0) ?/))
-	    (y-or-n-p (format "Fcc header %s is an absolute path and notmuch insert is requested.\nInsert header anyway? "
-			      subdir)))
+	    (y-or-n-p
+	     (format "Fcc header %s is an absolute path and notmuch insert is requested.
+Insert header anyway? " subdir)))
     (message-add-header (concat "Fcc: " subdir))))
 
 (defun notmuch-maildir-add-file-style-fcc-header (subdir)
@@ -249,9 +250,8 @@ If CREATE is non-nil then create the folder if necessary."
       ;; typo, or just the user want a new folder, let the user decide
       ;; how to deal with it.
       (error
-       (let ((response (notmuch-read-char-choice
-			"Insert failed: (r)etry, (c)reate folder, (i)gnore, or (e)dit the header? "
-			'(?r ?c ?i ?e))))
+       (let ((response (notmuch-read-char-choice "Insert failed: \
+\(r)etry, (c)reate folder, (i)gnore, or (e)dit the header? " '(?r ?c ?i ?e))))
 	 (cl-case response
 	   (?r (notmuch-maildir-fcc-with-notmuch-insert fcc-header))
 	   (?c (notmuch-maildir-fcc-with-notmuch-insert fcc-header 't))
@@ -333,8 +333,8 @@ if needed."
       (notmuch-maildir-fcc-write-buffer-to-maildir fcc-header 't)
     ;; The fcc-header is not a valid maildir see if the user wants to
     ;; fix it in some way.
-    (let* ((prompt (format "Fcc %s is not a maildir: (r)etry, (c)reate folder, (i)gnore, or  (e)dit the header? "
-			   fcc-header))
+    (let* ((prompt (format "Fcc %s is not a maildir: \
+\(r)etry, (c)reate folder, (i)gnore, or (e)dit the header? " fcc-header))
 	    (response (notmuch-read-char-choice prompt '(?r ?c ?i ?e))))
 	 (cl-case response
 	   (?r (notmuch-maildir-fcc-file-fcc fcc-header))
diff --git a/emacs/notmuch-message.el b/emacs/notmuch-message.el
index 0164472f..c2242070 100644
--- a/emacs/notmuch-message.el
+++ b/emacs/notmuch-message.el
@@ -60,7 +60,8 @@ the first is a notmuch query and the rest are the tag changes to
 be applied to the matching messages.")
 
 (defun notmuch-message-apply-queued-tag-changes ()
-  ;; Apply the tag changes queued in the buffer-local variable notmuch-message-queued-tag-changes.
+  ;; Apply the tag changes queued in the buffer-local variable
+  ;; notmuch-message-queued-tag-changes.
   (dolist (query-and-tags notmuch-message-queued-tag-changes)
     (notmuch-tag (car query-and-tags)
 		 (cdr query-and-tags))))
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 1efc88ea..74dfb384 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -205,10 +205,12 @@ Typically this is added to `notmuch-mua-send-hook'."
 (defun notmuch-mua-reply-crypto (parts)
   "Add mml sign-encrypt flag if any part of original message is encrypted."
   (cl-loop for part in parts
-	   if (notmuch-match-content-type (plist-get part :content-type) "multipart/encrypted")
-	     do (mml-secure-message-sign-encrypt)
-	   else if (notmuch-match-content-type (plist-get part :content-type) "multipart/*")
-	     do (notmuch-mua-reply-crypto (plist-get part :content))))
+	   if (notmuch-match-content-type (plist-get part :content-type)
+					  "multipart/encrypted")
+	   do (mml-secure-message-sign-encrypt)
+	   else if (notmuch-match-content-type (plist-get part :content-type)
+					       "multipart/*")
+	   do (notmuch-mua-reply-crypto (plist-get part :content))))
 
 ;; There is a bug in emacs 23's message.el that results in a newline
 ;; not being inserted after the References header, so the next header
@@ -250,8 +252,9 @@ Typically this is added to `notmuch-mua-send-hook'."
 	  ;; the original message.
 	  ((same-window-regexps '("\\*mail .*")))
 
-	;; We modify message-header-format-alist to get around a bug in message.el.
-	;; See the comment above on notmuch-mua-insert-references.
+	;; We modify message-header-format-alist to get around
+	;; a bug in message.el.  See the comment above on
+	;; notmuch-mua-insert-references.
 	(let ((message-header-format-alist
 	       (cl-loop for pair in message-header-format-alist
 			if (eq (car pair) 'References)
@@ -266,7 +269,8 @@ Typically this is added to `notmuch-mua-send-hook'."
 			    (notmuch-headers-plist-to-alist reply-headers)
 			    nil (notmuch-mua-get-switch-function))))
 
-      ;; Create a buffer-local queue for tag changes triggered when sending the reply
+      ;; Create a buffer-local queue for tag changes triggered when
+      ;; sending the reply.
       (when notmuch-message-replied-tags
 	(setq-local notmuch-message-queued-tag-changes
 		    (list (cons query-string notmuch-message-replied-tags))))
@@ -293,27 +297,29 @@ Typically this is added to `notmuch-mua-send-hook'."
 	(insert "From: " from "\n")
 	(insert "Date: " date "\n\n")
 
-	(insert (with-temp-buffer
-		  (let
-		      ;; Don't attempt to clean up messages, excerpt
-		      ;; citations, etc. in the original message before
-		      ;; quoting.
-		      ((notmuch-show-insert-text/plain-hook nil)
-		       ;; Don't omit long parts.
-		       (notmuch-show-max-text-part-size 0)
-		       ;; Insert headers for parts as appropriate for replying.
-		       (notmuch-show-insert-header-p-function notmuch-mua-reply-insert-header-p-function)
-		       ;; Ensure that any encrypted parts are
-		       ;; decrypted during the generation of the reply
-		       ;; text.
-		       (notmuch-show-process-crypto process-crypto)
-		       ;; Don't indent multipart sub-parts.
-		       (notmuch-show-indent-multipart nil))
-		    ;; We don't want sigstatus buttons (an information leak and usually wrong anyway).
-		    (cl-letf (((symbol-function 'notmuch-crypto-insert-sigstatus-button) #'ignore)
-			      ((symbol-function 'notmuch-crypto-insert-encstatus-button) #'ignore))
-		      (notmuch-show-insert-body original (plist-get original :body) 0)
-		      (buffer-substring-no-properties (point-min) (point-max))))))
+	(insert
+	 (with-temp-buffer
+	   (let
+	       ;; Don't attempt to clean up messages, excerpt
+	       ;; citations, etc. in the original message before
+	       ;; quoting.
+	       ((notmuch-show-insert-text/plain-hook nil)
+		;; Don't omit long parts.
+		(notmuch-show-max-text-part-size 0)
+		;; Insert headers for parts as appropriate for replying.
+		(notmuch-show-insert-header-p-function
+		 notmuch-mua-reply-insert-header-p-function)
+		;; Ensure that any encrypted parts are
+		;; decrypted during the generation of the reply
+		;; text.
+		(notmuch-show-process-crypto process-crypto)
+		;; Don't indent multipart sub-parts.
+		(notmuch-show-indent-multipart nil))
+	     ;; We don't want sigstatus buttons (an information leak and usually wrong anyway).
+	     (cl-letf (((symbol-function 'notmuch-crypto-insert-sigstatus-button) #'ignore)
+		       ((symbol-function 'notmuch-crypto-insert-encstatus-button) #'ignore))
+	       (notmuch-show-insert-body original (plist-get original :body) 0)
+	       (buffer-substring-no-properties (point-min) (point-max))))))
 
 	(set-mark (point))
 	(goto-char start)
@@ -383,10 +389,13 @@ modified. This function is notmuch addaptation of
 
   (unless (assq 'From other-headers)
     (push (cons 'From (message-make-from
-		       (notmuch-user-name) (notmuch-user-primary-email))) other-headers))
+		       (notmuch-user-name)
+		       (notmuch-user-primary-email)))
+	  other-headers))
 
   (notmuch-mua-pop-to-buffer (message-buffer-name "mail" to)
-			     (or switch-function (notmuch-mua-get-switch-function)))
+			     (or switch-function
+				 (notmuch-mua-get-switch-function)))
   (let ((headers
 	 (append
 	  ;; The following is copied from `message-mail'
@@ -499,7 +508,8 @@ the From: address."
 		(with-current-buffer temp-buffer
 		  (erase-buffer)
 		  (let ((coding-system-for-read 'no-conversion))
-		    (call-process notmuch-command nil t nil "show" "--format=raw" id))
+		    (call-process notmuch-command nil t nil
+				  "show" "--format=raw" id))
 		  ;; Because we process the messages in reverse order,
 		  ;; always generate a forwarded subject, then use the
 		  ;; last (i.e. first) one.
@@ -524,7 +534,8 @@ the From: address."
 	(message-add-header (concat "References: "
 				    (mapconcat 'identity forward-references " "))))
 
-      ;; Create a buffer-local queue for tag changes triggered when sending the message
+      ;; Create a buffer-local queue for tag changes triggered when
+      ;; sending the message.
       (when notmuch-message-forwarded-tags
 	(setq-local notmuch-message-queued-tag-changes
 		    (cl-loop for id in forward-queries
@@ -609,7 +620,8 @@ unencrypted.  Really send? "))))
   (run-hooks 'notmuch-mua-send-hook)
   (when (and (notmuch-mua-check-no-misplaced-secure-tag)
 	     (notmuch-mua-check-secure-tag-has-newline))
-    (cl-letf (((symbol-function 'message-do-fcc) #'notmuch-maildir-message-do-fcc))
+    (cl-letf (((symbol-function 'message-do-fcc)
+	       #'notmuch-maildir-message-do-fcc))
       (if exit
 	  (message-send-and-exit arg)
 	(message-send arg)))))
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 0eb27e33..41f31c46 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -51,7 +51,8 @@
 (declare-function notmuch-count-attachments "notmuch" (mm-handle))
 (declare-function notmuch-save-attachments "notmuch" (mm-handle &optional queryp))
 (declare-function notmuch-tree "notmuch-tree"
-		  (&optional query query-context target buffer-name open-target unthreaded))
+		  (&optional query query-context target buffer-name
+			     open-target unthreaded))
 (declare-function notmuch-tree-get-message-properties "notmuch-tree" nil)
 (declare-function notmuch-unthreaded
 		  (&optional query query-context target buffer-name open-target))
@@ -95,10 +96,11 @@ visible for any given message."
   :group 'notmuch-show
   :group 'notmuch-hooks)
 
-(defcustom notmuch-show-insert-text/plain-hook '(notmuch-wash-wrap-long-lines
-						 notmuch-wash-tidy-citations
-						 notmuch-wash-elide-blank-lines
-						 notmuch-wash-excerpt-citations)
+(defcustom notmuch-show-insert-text/plain-hook
+  '(notmuch-wash-wrap-long-lines
+    notmuch-wash-tidy-citations
+    notmuch-wash-elide-blank-lines
+    notmuch-wash-excerpt-citations)
   "Functions used to improve the display of text/plain parts."
   :type 'hook
   :options '(notmuch-wash-convert-inline-patch-to-part
@@ -348,7 +350,9 @@ operation on the contents of the current buffer."
     (with-temp-buffer
       (insert all)
       (if indenting
-	  (indent-rigidly (point-min) (point-max) (- (* notmuch-show-indent-messages-width depth))))
+	  (indent-rigidly (point-min)
+			  (point-max)
+			  (- (* notmuch-show-indent-messages-width depth))))
       ;; Remove the original header.
       (goto-char (point-min))
       (re-search-forward "^$" (point-max) nil)
@@ -395,7 +399,9 @@ operation on the contents of the current buffer."
     (if (re-search-forward "(\\([^()]*\\))$" (line-end-position) t)
 	(let ((inhibit-read-only t))
 	  (replace-match (concat "("
-				 (notmuch-tag-format-tags tags (notmuch-show-get-prop :orig-tags))
+				 (notmuch-tag-format-tags
+				  tags
+				  (notmuch-show-get-prop :orig-tags))
 				 ")"))))))
 
 (defun notmuch-clean-address (address)
@@ -481,7 +487,8 @@ message at DEPTH in the current thread."
 	    ") ("
 	    (notmuch-tag-format-tags tags tags)
 	    ")\n")
-    (overlay-put (make-overlay start (point)) 'face 'notmuch-message-summary-face)))
+    (overlay-put (make-overlay start (point))
+		 'face 'notmuch-message-summary-face)))
 
 (defun notmuch-show-insert-header (header header-value)
   "Insert a single header."
@@ -508,7 +515,8 @@ message at DEPTH in the current thread."
   'face 'message-mml
   :supertype 'notmuch-button-type)
 
-(defun notmuch-show-insert-part-header (nth content-type declared-type &optional name comment)
+(defun notmuch-show-insert-part-header (nth content-type declared-type
+					    &optional name comment)
   (let ((button)
 	(base-label (concat (when name (concat name ": "))
 			    declared-type
@@ -532,8 +540,9 @@ message at DEPTH in the current thread."
     (when button
       (let ((overlay (button-get button 'overlay))
 	    (lazy-part (button-get button :notmuch-lazy-part)))
-	;; We have a part to toggle if there is an overlay or if there is a lazy part.
-	;; If neither is present we cannot toggle the part so we just return nil.
+	;; We have a part to toggle if there is an overlay or if there
+	;; is a lazy part.  If neither is present we cannot toggle the
+	;; part so we just return nil.
 	(when (or overlay lazy-part)
 	  (let* ((show (button-get button :notmuch-part-hidden))
 		 (new-start (button-start button))
@@ -634,7 +643,8 @@ will return nil if the CID is unknown or cannot be retrieved."
 	  (plist-get part :content)))
 
 (defun notmuch-show-insert-part-multipart/alternative (msg part content-type nth depth button)
-  (let ((chosen-type (car (notmuch-multipart/alternative-choose msg (notmuch-show-multipart/*-to-list part))))
+  (let ((chosen-type (car (notmuch-multipart/alternative-choose
+			   msg (notmuch-show-multipart/*-to-list part))))
 	(inner-parts (plist-get part :content))
 	(start (point)))
     ;; This inserts all parts of the chosen type rather than just one,
@@ -770,7 +780,8 @@ will return nil if the CID is unknown or cannot be retrieved."
 	      (unwind-protect
 		  (progn
 		    (unless (icalendar-import-buffer file t)
-		      (error "Icalendar import error. See *icalendar-errors* for more information"))
+		      (error "Icalendar import error. %s"
+			     "See *icalendar-errors* for more information"))
 		    (set-buffer (get-file-buffer file))
 		    (setq result (buffer-substring (point-min) (point-max)))
 		    (set-buffer-modified-p nil)
@@ -788,10 +799,13 @@ will return nil if the CID is unknown or cannot be retrieved."
     ;;
     ;; For newer emacs, we fall back to notmuch-show-insert-part-*/*
     ;; (see notmuch-show-handlers-for)
-    (defun notmuch-show-insert-part-text/enriched (msg part content-type nth depth button)
-      ;; By requiring enriched below, we ensure that the function enriched-decode-display-prop
-      ;; is defined before it will be shadowed by the letf below. Otherwise the version
-      ;; in enriched.el may be loaded a bit later and used instead (for the first time).
+    (defun notmuch-show-insert-part-text/enriched
+	(msg part content-type nth depth button)
+      ;; By requiring enriched below, we ensure that the function
+      ;; enriched-decode-display-prop is defined before it will be
+      ;; shadowed by the letf below. Otherwise the version in
+      ;; enriched.el may be loaded a bit later and used instead (for
+      ;; the first time).
       (require 'enriched)
       (cl-letf (((symbol-function 'enriched-decode-display-prop)
 		 (lambda (start end &optional param) (list start end))))
@@ -949,7 +963,9 @@ will return nil if the CID is unknown or cannot be retrieved."
 	(narrow-to-region part-beg part-end)
 	(delete-region part-beg part-end)
 	(apply #'notmuch-show-insert-bodypart-internal part-args)
-	(indent-rigidly part-beg part-end (* notmuch-show-indent-messages-width depth)))
+	(indent-rigidly part-beg
+			part-end
+			(* notmuch-show-indent-messages-width depth)))
       (goto-char part-end)
       (delete-char 1)
       (notmuch-show-record-part-information (cadr part-args)
@@ -1007,12 +1023,14 @@ is t, hide the part initially and show the button."
 	 (nth (plist-get part :id))
 	 (long (and (notmuch-match-content-type mime-type "text/*")
 		    (> notmuch-show-max-text-part-size 0)
-		    (> (length (plist-get part :content)) notmuch-show-max-text-part-size)))
+		    (> (length (plist-get part :content))
+		       notmuch-show-max-text-part-size)))
 	 (beg (point))
 	 ;; This default header-p function omits the part button for
 	 ;; the first (or only) part if this is text/plain.
 	 (button (when (funcall notmuch-show-insert-header-p-function part hide)
-		   (notmuch-show-insert-part-header nth mime-type content-type (plist-get part :filename))))
+		   (notmuch-show-insert-part-header nth mime-type content-type
+						    (plist-get part :filename))))
 	 ;; Hide the part initially if HIDE is t, or if it is too long
 	 ;; and we have a button to allow toggling.
 	 (show-part (not (or (equal hide t)
@@ -1110,13 +1128,17 @@ is t, hide the part initially and show the button."
 
     ;; Indent according to the depth in the thread.
     (if notmuch-show-indent-content
-	(indent-rigidly content-start content-end (* notmuch-show-indent-messages-width depth)))
+	(indent-rigidly content-start
+			content-end
+			(* notmuch-show-indent-messages-width depth)))
 
     (setq message-end (point-max-marker))
 
     ;; Save the extents of this message over the whole text of the
     ;; message.
-    (put-text-property message-start message-end :notmuch-message-extent (cons message-start message-end))
+    (put-text-property message-start message-end
+		       :notmuch-message-extent
+		       (cons message-start message-end))
 
     ;; Create overlays used to control visibility
     (plist-put msg :headers-overlay (make-overlay headers-start headers-end))
@@ -1150,7 +1172,8 @@ is t, hide the part initially and show the button."
 (defun notmuch-show-toggle-elide-non-matching ()
   "Toggle the display of non-matching messages."
   (interactive)
-  (setq notmuch-show-elide-non-matching-messages (not notmuch-show-elide-non-matching-messages))
+  (setq notmuch-show-elide-non-matching-messages
+	(not notmuch-show-elide-non-matching-messages))
   (message (if notmuch-show-elide-non-matching-messages
 	       "Showing matching messages only."
 	     "Showing all messages."))
@@ -1417,8 +1440,9 @@ This includes:
 
     ;; Open those that were open.
     (goto-char (point-min))
-    (cl-loop do (notmuch-show-message-visible (notmuch-show-get-message-properties)
-					      (member (notmuch-show-get-message-id) open))
+    (cl-loop do (notmuch-show-message-visible
+		 (notmuch-show-get-message-properties)
+		 (member (notmuch-show-get-message-id) open))
 	     until (not (notmuch-show-goto-message-next)))
 
     (dolist (win-msg-pair win-msg-alist)
@@ -1651,7 +1675,8 @@ effects."
 (defun notmuch-show-set-message-properties (props)
   (save-excursion
     (notmuch-show-move-to-message-top)
-    (put-text-property (point) (+ (point) 1) :notmuch-message-properties props)))
+    (put-text-property (point) (+ (point) 1)
+		       :notmuch-message-properties props)))
 
 (defun notmuch-show-get-message-properties ()
   "Return the properties of the current message as a plist.
@@ -1804,8 +1829,9 @@ user decision and we should not override it."
 	   (setq notmuch-show--seen-has-errored 't)
 	   (setq header-line-format
 		 (concat header-line-format
-			 (propertize "  [some mark read tag changes may have failed]"
-				     'face font-lock-warning-face)))))))))
+			 (propertize
+			  "  [some mark read tag changes may have failed]"
+			  'face font-lock-warning-face)))))))))
 
 (defun notmuch-show-filter-thread (query)
   "Filter or LIMIT the current thread based on a new query string.
@@ -1827,7 +1853,8 @@ Reshows the current thread with matches defined by the new query-string."
       (goto-char (point-min))
       (while (not done)
 	(if (notmuch-show-message-visible-p)
-	    (setq message-ids (append message-ids (list (notmuch-show-get-message-id)))))
+	    (setq message-ids
+		  (append message-ids (list (notmuch-show-get-message-id)))))
 	(setq done (not (notmuch-show-goto-message-next)))
 	)
       message-ids
@@ -1891,7 +1918,8 @@ shown."
       (notmuch-show-archive-thread-then-next)))
 
 (defun notmuch-show-rewind ()
-  "Backup through the thread (reverse scrolling compared to \\[notmuch-show-advance-and-archive]).
+  "Backup through the thread (reverse scrolling compared to \
+\\[notmuch-show-advance-and-archive]).
 
 Specifically, if the beginning of the previous email is fewer
 than `window-height' lines from the current point, move to it
@@ -2083,11 +2111,14 @@ message."
 	(setq shell-command
 	      (concat notmuch-command " show --format=mbox --exclude=false "
 		      (shell-quote-argument
-		       (mapconcat 'identity (notmuch-show-get-message-ids-for-open-messages) " OR "))
+		       (mapconcat 'identity
+				  (notmuch-show-get-message-ids-for-open-messages)
+				  " OR "))
 		      " | " command))
       (setq shell-command
 	    (concat notmuch-command " show --format=raw "
-		    (shell-quote-argument (notmuch-show-get-message-id)) " | " command)))
+		    (shell-quote-argument (notmuch-show-get-message-id))
+		    " | " command)))
     (let ((cwd default-directory)
 	  (buf (get-buffer-create (concat "*notmuch-pipe*"))))
       (with-current-buffer buf
@@ -2188,8 +2219,9 @@ argument, hide all of the messages."
   (interactive)
   (save-excursion
     (goto-char (point-min))
-    (cl-loop do (notmuch-show-message-visible (notmuch-show-get-message-properties)
-					      (not current-prefix-arg))
+    (cl-loop do (notmuch-show-message-visible
+		 (notmuch-show-get-message-properties)
+		 (not current-prefix-arg))
 	     until (not (notmuch-show-goto-message-next))))
   (force-window-update))
 
@@ -2521,7 +2553,8 @@ the new buffer."
   (interactive
    (list (completing-read "Mime type to use (default text/plain): "
 			  (mailcap-mime-types) nil nil nil nil "text/plain")))
-  (notmuch-show-apply-to-current-part-handle #'notmuch-show--mm-display-part mime-type))
+  (notmuch-show-apply-to-current-part-handle #'notmuch-show--mm-display-part
+					     mime-type))
 
 (defun notmuch-show-imenu-prev-index-position-function ()
   "Move point to previous message in notmuch-show buffer.
diff --git a/emacs/notmuch-tag.el b/emacs/notmuch-tag.el
index c54e6ad0..34cd493a 100644
--- a/emacs/notmuch-tag.el
+++ b/emacs/notmuch-tag.el
@@ -44,7 +44,9 @@
   :args '((list :inline t
 		:format "%v"
 		(key-sequence :tag "Key")
-		(radio :tag "Tag operations" (repeat :tag "Tag list" (string :format "%v" :tag "change"))
+		(radio :tag "Tag operations"
+		       (repeat :tag "Tag list"
+			       (string :format "%v" :tag "change"))
 		       (variable :tag "Tag variable"))
 		(string :tag "Name"))))
 
@@ -316,7 +318,9 @@ changed (the normal case) are shown using formats from
 `notmuch-tag-formats'."
   (let* ((tag-state (cond ((not (member tag tags)) 'deleted)
 			  ((not (member tag orig-tags)) 'added)))
-	 (formatted-tag (gethash (cons tag tag-state) notmuch-tag--format-cache 'missing)))
+	 (formatted-tag (gethash (cons tag tag-state)
+				 notmuch-tag--format-cache
+				 'missing)))
     (when (eq formatted-tag 'missing)
       (let ((base (notmuch-tag--get-formats tag notmuch-tag-formats))
 	    (over (cl-case tag-state
@@ -338,9 +342,9 @@ changed (the normal case) are shown using formats from
     (notmuch-apply-face
      (mapconcat #'identity
 		;; nil indicated that the tag was deliberately hidden
-		(delq nil (mapcar
-			   (apply-partially #'notmuch-tag-format-tag tags orig-tags)
-			   all-tags))
+		(delq nil (mapcar (apply-partially #'notmuch-tag-format-tag
+						   tags orig-tags)
+				  all-tags))
 		" ")
      face
      t)))
diff --git a/emacs/notmuch-tree.el b/emacs/notmuch-tree.el
index ab90f652..fcfb972d 100644
--- a/emacs/notmuch-tree.el
+++ b/emacs/notmuch-tree.el
@@ -34,7 +34,8 @@
 (require 'notmuch-tag)
 (require 'notmuch-parser)
 
-(declare-function notmuch-search "notmuch" (&optional query oldest-first target-thread target-line))
+(declare-function notmuch-search "notmuch"
+		  (&optional query oldest-first target-thread target-line))
 (declare-function notmuch-call-notmuch-process "notmuch" (&rest args))
 (declare-function notmuch-read-query "notmuch" (prompt))
 (declare-function notmuch-search-find-thread-id "notmuch" (&optional bare))
@@ -284,15 +285,18 @@ FUNC."
     (set-keymap-parent map notmuch-common-keymap)
     ;; The following override the global keymap.
     ;; Override because we want to close message pane first.
-    (define-key map [remap notmuch-help] (notmuch-tree-close-message-pane-and #'notmuch-help))
+    (define-key map [remap notmuch-help]
+      (notmuch-tree-close-message-pane-and #'notmuch-help))
     ;; Override because we first close message pane and then close tree buffer.
     (define-key map [remap notmuch-bury-or-kill-this-buffer] 'notmuch-tree-quit)
     ;; Override because we close message pane after the search query is entered.
     (define-key map [remap notmuch-search] 'notmuch-tree-to-search)
     ;; Override because we want to close message pane first.
-    (define-key map [remap notmuch-mua-new-mail] (notmuch-tree-close-message-pane-and #'notmuch-mua-new-mail))
+    (define-key map [remap notmuch-mua-new-mail]
+      (notmuch-tree-close-message-pane-and #'notmuch-mua-new-mail))
     ;; Override because we want to close message pane first.
-    (define-key map [remap notmuch-jump-search] (notmuch-tree-close-message-pane-and #'notmuch-jump-search))
+    (define-key map [remap notmuch-jump-search]
+      (notmuch-tree-close-message-pane-and #'notmuch-jump-search))
 
     (define-key map "S" 'notmuch-search-from-tree-current-query)
     (define-key map "U" 'notmuch-unthreaded-from-tree-current-query)
@@ -306,16 +310,24 @@ FUNC."
     (define-key map "b" 'notmuch-show-resend-message)
 
     ;; these apply to the message pane
-    (define-key map (kbd "M-TAB") (notmuch-tree-to-message-pane #'notmuch-show-previous-button))
-    (define-key map (kbd "<backtab>")  (notmuch-tree-to-message-pane #'notmuch-show-previous-button))
-    (define-key map (kbd "TAB") (notmuch-tree-to-message-pane #'notmuch-show-next-button))
-    (define-key map "$" (notmuch-tree-to-message-pane #'notmuch-show-toggle-process-crypto))
+    (define-key map (kbd "M-TAB")
+      (notmuch-tree-to-message-pane #'notmuch-show-previous-button))
+    (define-key map (kbd "<backtab>")
+      (notmuch-tree-to-message-pane #'notmuch-show-previous-button))
+    (define-key map (kbd "TAB")
+      (notmuch-tree-to-message-pane #'notmuch-show-next-button))
+    (define-key map "$"
+      (notmuch-tree-to-message-pane #'notmuch-show-toggle-process-crypto))
 
     ;; bindings from show (or elsewhere) but we close the message pane first.
-    (define-key map "f" (notmuch-tree-close-message-pane-and #'notmuch-show-forward-message))
-    (define-key map "r" (notmuch-tree-close-message-pane-and #'notmuch-show-reply-sender))
-    (define-key map "R" (notmuch-tree-close-message-pane-and #'notmuch-show-reply))
-    (define-key map "V" (notmuch-tree-close-message-pane-and #'notmuch-show-view-raw-message))
+    (define-key map "f"
+      (notmuch-tree-close-message-pane-and #'notmuch-show-forward-message))
+    (define-key map "r"
+      (notmuch-tree-close-message-pane-and #'notmuch-show-reply-sender))
+    (define-key map "R"
+      (notmuch-tree-close-message-pane-and #'notmuch-show-reply))
+    (define-key map "V"
+      (notmuch-tree-close-message-pane-and #'notmuch-show-view-raw-message))
 
     ;; The main tree view bindings
     (define-key map (kbd "RET") 'notmuch-tree-show-message)
@@ -354,7 +366,9 @@ Some useful entries are:
 (defun notmuch-tree-set-message-properties (props)
   (save-excursion
     (beginning-of-line)
-    (put-text-property (point) (+ (point) 1) :notmuch-message-properties props)))
+    (put-text-property (point)
+		       (+ (point) 1)
+		       :notmuch-message-properties props)))
 
 (defun notmuch-tree-set-prop (prop val &optional props)
   (let ((inhibit-read-only t)
@@ -407,7 +421,8 @@ updated."
     ;; from overwriting the buffer local copy of
     ;; notmuch-tree-previous-subject if this is called while the
     ;; buffer is displaying.
-    (let ((notmuch-tree-previous-subject (notmuch-tree-get-prop :previous-subject)))
+    (let ((notmuch-tree-previous-subject
+	   (notmuch-tree-get-prop :previous-subject)))
       (delete-region (point) (1+ (line-end-position)))
       (notmuch-tree-insert-msg msg))
     (let ((new-end (line-end-position)))
@@ -596,7 +611,8 @@ Shows in split pane or whole window according to value of
   "Close the message-window. Return t if close succeeds."
   (interactive)
   (when (and (window-live-p notmuch-tree-message-window)
-	     (eq (window-buffer notmuch-tree-message-window) notmuch-tree-message-buffer))
+	     (eq (window-buffer notmuch-tree-message-window)
+		 notmuch-tree-message-buffer))
     (delete-window notmuch-tree-message-window)
     (unless (get-buffer-window-list notmuch-tree-message-buffer)
       (kill-buffer notmuch-tree-message-buffer))
@@ -611,7 +627,8 @@ message will be \"unarchived\", i.e. the tag changes in
 `notmuch-archive-tags' will be reversed."
   (interactive "P")
   (when notmuch-archive-tags
-    (notmuch-tree-tag (notmuch-tag-change-list notmuch-archive-tags unarchive))))
+    (notmuch-tree-tag
+     (notmuch-tag-change-list notmuch-archive-tags unarchive))))
 
 (defun notmuch-tree-archive-message-then-next (&optional unarchive)
   "Archive the current message and move to next matching message."
@@ -786,7 +803,8 @@ unchanged ADDRESS if parsing fails."
       (let ((face (if match
 		      'notmuch-tree-match-date-face
 		    'notmuch-tree-no-match-date-face)))
-	(propertize (format format-string (plist-get msg :date_relative)) 'face face)))
+	(propertize (format format-string (plist-get msg :date_relative))
+		    'face face)))
 
      ((string-equal field "tree")
       (let ((tree-status (plist-get msg :tree-status))
@@ -880,7 +898,8 @@ message together with all its descendents."
        ((and (< 0 depth) last)
 	(push "╰" tree-status))
        ((and (eq 0 depth) first last)
-;;	  (push "─" tree-status)) choice between this and next line is matter of taste.
+	;; Choice between these two variants is a matter of taste.
+	;; (push "─" tree-status))
 	(push " " tree-status))
        ((and (eq 0 depth) first (not last))
 	  (push "┬" tree-status))
diff --git a/emacs/notmuch-wash.el b/emacs/notmuch-wash.el
index fd0314cc..3a9ffdd0 100644
--- a/emacs/notmuch-wash.el
+++ b/emacs/notmuch-wash.el
@@ -25,7 +25,9 @@
 
 (require 'coolj)
 (require 'notmuch-lib)
-(declare-function notmuch-show-insert-bodypart "notmuch-show" (msg part depth &optional hide))
+
+(declare-function notmuch-show-insert-bodypart "notmuch-show"
+		  (msg part depth &optional hide))
 (defvar notmuch-show-indent-messages-width)
 
 ;;
@@ -186,9 +188,12 @@ message parts."
   (let* ((type (overlay-get overlay 'type))
 	 (invis-spec (overlay-get overlay 'invisible))
 	 (state (if (invisible-p invis-spec) "hidden" "visible"))
-	 (label-format (symbol-value (intern-soft (concat "notmuch-wash-button-"
-							  type "-" state "-format"))))
-	 (lines-count (count-lines (overlay-start overlay) (overlay-end overlay))))
+	 (label-format (symbol-value
+			(intern-soft
+			 (format "notmuch-wash-button-%s-%s-format"
+				 type state))))
+	 (lines-count (count-lines (overlay-start overlay)
+				   (overlay-end overlay))))
     (format label-format lines-count)))
 
 (defun notmuch-wash-region-to-button (msg beg end type &optional prefix)
@@ -238,7 +243,8 @@ that PREFIX should not include a newline."
     (let* ((cite-start (match-beginning 0))
 	   (cite-end (match-end 0))
 	   (cite-lines (count-lines cite-start cite-end)))
-      (overlay-put (make-overlay cite-start cite-end) 'face 'notmuch-wash-cited-text)
+      (overlay-put (make-overlay cite-start cite-end)
+		   'face 'notmuch-wash-cited-text)
       (when (> cite-lines (+ notmuch-wash-citation-lines-prefix
 			     notmuch-wash-citation-lines-suffix
 			     1))
@@ -260,7 +266,8 @@ that PREFIX should not include a newline."
 		  (sig-end-marker (make-marker)))
 	      (set-marker sig-start-marker sig-start)
 	      (set-marker sig-end-marker (point-max))
-	      (overlay-put (make-overlay sig-start-marker sig-end-marker) 'face 'message-cited-text)
+	      (overlay-put (make-overlay sig-start-marker sig-end-marker)
+			   'face 'message-cited-text)
 	      (notmuch-wash-region-to-button
 	       msg sig-start-marker sig-end-marker
 	       "signature"))))))
diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index c97997fe..07a58da7 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -516,7 +516,9 @@ thread."
 		      (current-buffer)
 		      notmuch-search-query-string
 		      ;; Name the buffer based on the subject.
-		      (concat "*" (truncate-string-to-width subject 30 nil nil t) "*"))
+		      (concat "*"
+			      (truncate-string-to-width subject 30 nil nil t)
+			      "*"))
       (message "End of search results."))))
 
 (defun notmuch-tree-from-search-current-query ()
@@ -800,7 +802,9 @@ non-authors is found, assume that all of the authors match."
       ;; If there is any invisible text, add it as a tooltip to the
       ;; visible text.
       (when (not (string= invisible-string ""))
-	(setq visible-string (propertize visible-string 'help-echo (concat "..." invisible-string))))
+	(setq visible-string
+	      (propertize visible-string
+			  'help-echo (concat "..." invisible-string))))
 
       ;; Insert the visible and, if present, invisible author strings.
       (insert visible-string)
@@ -892,7 +896,8 @@ See `notmuch-tag' for information on the format of TAG-CHANGES."
 		(longest-length 0))
 	    (cl-loop for tuple in notmuch-saved-searches
 		     if (let ((quoted-query
-			       (regexp-quote (notmuch-saved-search-get tuple :query))))
+			       (regexp-quote
+				(notmuch-saved-search-get tuple :query))))
 			  (and (string-match (concat "^" quoted-query) query)
 			       (> (length (match-string 0 query))
 				  longest-length)))
@@ -905,9 +910,10 @@ See `notmuch-tag' for information on the format of TAG-CHANGES."
 	   (concat "*notmuch-saved-search-" saved-search-name "*"))
 	  (saved-search
 	   (concat "*notmuch-search-"
-		   (replace-regexp-in-string (concat "^" (regexp-quote saved-search-query))
-					     (concat "[ " saved-search-name " ]")
-					     query)
+		   (replace-regexp-in-string
+		    (concat "^" (regexp-quote saved-search-query))
+		    (concat "[ " saved-search-name " ]")
+		    query)
 		   "*"))
 	  (t
 	   (concat "*notmuch-search-" query "*"))
@@ -926,7 +932,8 @@ PROMPT is the string to prompt with."
 		       "subject:" "attachment:")
 		 (mapcar (lambda (tag) (concat "tag:" tag)) all-tags)
 		 (mapcar (lambda (tag) (concat "is:" tag)) all-tags)
-		 (mapcar (lambda (mimetype) (concat "mimetype:" mimetype)) (mailcap-mime-types)))))
+		 (mapcar (lambda (mimetype) (concat "mimetype:" mimetype))
+			 (mailcap-mime-types)))))
     (let ((keymap (copy-keymap minibuffer-local-map))
 	  (current-query (cl-case major-mode
 			   (notmuch-search-mode (notmuch-search-get-query))
@@ -1078,8 +1085,10 @@ current search results AND the additional query string provided."
 Runs a new search matching only messages that match both the
 current search results AND that are tagged with the given tag."
   (interactive
-   (list (notmuch-select-tag-with-completion "Filter by tag: " notmuch-search-query-string)))
-  (notmuch-search (concat notmuch-search-query-string " and tag:" tag) notmuch-search-oldest-first))
+   (list (notmuch-select-tag-with-completion "Filter by tag: "
+					     notmuch-search-query-string)))
+  (notmuch-search (concat notmuch-search-query-string " and tag:" tag)
+		  notmuch-search-oldest-first))
 
 (defun notmuch-search-by-tag (tag)
   "Display threads matching TAG in a notmuch-search buffer."
diff --git a/emacs/rstdoc.el b/emacs/rstdoc.el
index 2225aefc..2af91186 100644
--- a/emacs/rstdoc.el
+++ b/emacs/rstdoc.el
@@ -63,7 +63,8 @@
 
 (defun rstdoc--insert-docstring (symbol docstring)
   (insert (format "\n.. |docstring::%s| replace::\n" symbol))
-  (insert (replace-regexp-in-string "^" "    " (rstdoc--rst-quote-string docstring)))
+  (insert (replace-regexp-in-string "^" "    "
+				    (rstdoc--rst-quote-string docstring)))
   (insert "\n"))
 
 (defvar rst--escape-alist