Don't quote lambda forms

This generates byte-compiler warnings on (at least) current trunk
versions of Emacs.  The quote is not necessary; lambda forms are
self-quoting.

emacs/notmuch-crypto.el

@@ -68,7 +68,7 @@ mode."
   :group 'notmuch)
 
 (define-button-type 'notmuch-crypto-status-button-type
-  'action '(lambda (button) (message (button-get button 'help-echo)))
+  'action (lambda (button) (message (button-get button 'help-echo)))
   'follow-link t
   'help-echo "Set notmuch-crypto-process-mime to process cryptographic mime parts.")
 
@@ -77,7 +77,7 @@ mode."
 	 (help-msg nil)
 	 (label "Signature not processed")
 	 (face 'notmuch-crypto-signature-unknown)
-	 (button-action '(lambda (button) (message (button-get button 'help-echo)))))
+	 (button-action (lambda (button) (message (button-get button 'help-echo)))))
     (cond
      ((string= status "good")
       (let ((fingerprint (concat "0x" (plist-get sigstatus :fingerprint))))

emacs/notmuch-hello.el

@@ -336,8 +336,8 @@ should be. Returns a cons cell `(tags-per-line width)'."
 (defvar notmuch-hello-mode-map
   (let ((map (make-sparse-keymap)))
     (set-keymap-parent map widget-keymap)
-    (define-key map "v" '(lambda () "Display the notmuch version" (interactive)
-                           (message "notmuch version %s" (notmuch-version))))
+    (define-key map "v" (lambda () "Display the notmuch version" (interactive)
+			  (message "notmuch version %s" (notmuch-version))))
     (define-key map "?" 'notmuch-help)
     (define-key map "q" 'notmuch-kill-this-buffer)
     (define-key map "=" 'notmuch-hello-update)
@@ -513,36 +513,36 @@ Complete list of currently available key bindings:
 	  (widget-insert "\n\n")
 	  (let ((start (point))
 		(nth 0))
-	    (mapc '(lambda (search)
-		     (let ((widget-symbol (intern (format "notmuch-hello-search-%d" nth))))
-		       (set widget-symbol
-			    (widget-create 'editable-field
-				       ;; Don't let the search boxes be
-				       ;; less than 8 characters wide.
-				       :size (max 8
-						  (- (window-width)
-						     ;; Leave some space
-						     ;; at the start and
-						     ;; end of the
-						     ;; boxes.
-						     (* 2 notmuch-hello-indent)
-						     ;; 1 for the space
-						     ;; before the
-						     ;; `[save]' button. 6
-						     ;; for the `[save]'
-						     ;; button.
-						     1 6))
-				       :action (lambda (widget &rest ignore)
-						 (notmuch-hello-search (widget-value widget)))
-				       search))
-		       (widget-insert " ")
-		       (widget-create 'push-button
-				      :notify (lambda (widget &rest ignore)
-						(notmuch-hello-add-saved-search widget))
-				      :notmuch-saved-search-widget widget-symbol
-				      "save"))
-		     (widget-insert "\n")
-		     (setq nth (1+ nth)))
+	    (mapc (lambda (search)
+		    (let ((widget-symbol (intern (format "notmuch-hello-search-%d" nth))))
+		      (set widget-symbol
+			   (widget-create 'editable-field
+					  ;; Don't let the search boxes be
+					  ;; less than 8 characters wide.
+					  :size (max 8
+						     (- (window-width)
+							;; Leave some space
+							;; at the start and
+							;; end of the
+							;; boxes.
+							(* 2 notmuch-hello-indent)
+							;; 1 for the space
+							;; before the
+							;; `[save]' button. 6
+							;; for the `[save]'
+							;; button.
+							1 6))
+					  :action (lambda (widget &rest ignore)
+						    (notmuch-hello-search (widget-value widget)))
+					  search))
+		      (widget-insert " ")
+		      (widget-create 'push-button
+				     :notify (lambda (widget &rest ignore)
+					       (notmuch-hello-add-saved-search widget))
+				     :notmuch-saved-search-widget widget-symbol
+				     "save"))
+		    (widget-insert "\n")
+		    (setq nth (1+ nth)))
 		  notmuch-hello-recent-searches)
 	    (indent-rigidly start (point) notmuch-hello-indent)))
 

emacs/notmuch-maildir-fcc.el

@@ -65,8 +65,8 @@ yet when sending a mail."
     ;; Set up the message-fcc-handler to move mails to the maildir in Fcc
     ;; The parameter is set to mark messages as "seen"
     (setq message-fcc-handler-function
-          '(lambda (destdir)
-             (notmuch-maildir-fcc-write-buffer-to-maildir destdir t)))
+          (lambda (destdir)
+	    (notmuch-maildir-fcc-write-buffer-to-maildir destdir t)))
     ;; add a hook to actually insert the Fcc header when sending
     (add-hook 'message-header-setup-hook 'notmuch-fcc-header-setup))
 
@@ -131,10 +131,10 @@ will NOT be removed or replaced."
  
 (defun notmuch-maildir-fcc-host-fixer (hostname)
   (replace-regexp-in-string "/\\|:"
-			    '(lambda (s)
-                               (cond ((string-equal s "/") "\\057")
-                                     ((string-equal s ":") "\\072")
-                                     (t s)))
+			    (lambda (s)
+			      (cond ((string-equal s "/") "\\057")
+				    ((string-equal s ":") "\\072")
+				    (t s)))
 			    hostname
 			    t
 			    t))

emacs/notmuch-message.el

@@ -39,10 +39,10 @@ the \"inbox\" and \"todo\", you would set
     (when (and notmuch-message-replied-tags rep)
       ;; add a "+" to any tag that is doesn't already begin with a "+"
       ;; or "-"
-      (let ((tags (mapcar '(lambda (str)
-			     (if (not (string-match "^[+-]" str))
-				 (concat "+" str)
-			       str))
+      (let ((tags (mapcar (lambda (str)
+			    (if (not (string-match "^[+-]" str))
+				(concat "+" str)
+			      str))
 			  notmuch-message-replied-tags)))
 	(apply 'notmuch-tag (concat "id:" (car (car rep))) tags)))))
 

emacs/notmuch-show.el

@@ -265,12 +265,12 @@ message at DEPTH in the current thread."
 (defun notmuch-show-insert-headers (headers)
   "Insert the headers of the current message."
   (let ((start (point)))
-    (mapc '(lambda (header)
-	     (let* ((header-symbol (intern (concat ":" header)))
-		    (header-value (plist-get headers header-symbol)))
-	       (if (and header-value
-			(not (string-equal "" header-value)))
-		   (notmuch-show-insert-header header header-value))))
+    (mapc (lambda (header)
+	    (let* ((header-symbol (intern (concat ":" header)))
+		   (header-value (plist-get headers header-symbol)))
+	      (if (and header-value
+		       (not (string-equal "" header-value)))
+		  (notmuch-show-insert-header header header-value))))
 	  notmuch-message-headers)
     (save-excursion
       (save-restriction
@@ -344,7 +344,7 @@ current buffer, if possible."
     ))
 
 (defun notmuch-show-multipart/*-to-list (part)
-  (mapcar '(lambda (inner-part) (plist-get inner-part :content-type))
+  (mapcar (lambda (inner-part) (plist-get inner-part :content-type))
 	  (plist-get part :content)))
 
 (defun notmuch-show-multipart/alternative-choose (types)
@@ -657,7 +657,7 @@ current buffer, if possible."
 
 (defun notmuch-show-insert-body (msg body depth)
   "Insert the body BODY at depth DEPTH in the current thread."
-  (mapc '(lambda (part) (notmuch-show-insert-bodypart msg part depth)) body))
+  (mapc (lambda (part) (notmuch-show-insert-bodypart msg part depth)) body))
 
 (defun notmuch-show-make-symbol (type)
   (make-symbol (concat "notmuch-show-" type)))
@@ -775,11 +775,11 @@ current buffer, if possible."
 
 (defun notmuch-show-insert-thread (thread depth)
   "Insert the thread THREAD at depth DEPTH in the current forest."
-  (mapc '(lambda (tree) (notmuch-show-insert-tree tree depth)) thread))
+  (mapc (lambda (tree) (notmuch-show-insert-tree tree depth)) thread))
 
 (defun notmuch-show-insert-forest (forest)
   "Insert the forest of threads FOREST."
-  (mapc '(lambda (thread) (notmuch-show-insert-thread thread 0)) forest))
+  (mapc (lambda (thread) (notmuch-show-insert-thread thread 0)) forest))
 
 (defvar notmuch-show-thread-id nil)
 (make-variable-buffer-local 'notmuch-show-thread-id)

emacs/notmuch.el

@@ -662,16 +662,16 @@ foreground and blue background."
   ;; Create the overlay only if the message has tags which match one
   ;; of those specified in `notmuch-search-line-faces'.
   (let (overlay)
-    (mapc '(lambda (elem)
-	     (let ((tag (car elem))
-		   (attributes (cdr elem)))
-	       (when (member tag line-tag-list)
-		 (when (not overlay)
-		   (setq overlay (make-overlay start end)))
-		 ;; Merge the specified properties with any already
-		 ;; applied from an earlier match.
-		 (overlay-put overlay 'face
-			      (append (overlay-get overlay 'face) attributes)))))
+    (mapc (lambda (elem)
+	    (let ((tag (car elem))
+		  (attributes (cdr elem)))
+	      (when (member tag line-tag-list)
+		(when (not overlay)
+		  (setq overlay (make-overlay start end)))
+		;; Merge the specified properties with any already
+		;; applied from an earlier match.
+		(overlay-put overlay 'face
+			     (append (overlay-get overlay 'face) attributes)))))
 	  notmuch-search-line-faces)))
 
 (defun notmuch-search-author-propertize (authors)