* lisp/net/eww.el: Use lexical-binding.

(eww-links-at-point): Remove unused arg.
(eww-mode-map): Inherit from special-mode-map.
(eww-mode): Derive from special-mode.  Don't use `setq' on a hook.

lisp/ChangeLog

+2015-01-14  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* net/eww.el: Use lexical-binding.
+	(eww-links-at-point): Remove unused arg.
+	(eww-mode-map): Inherit from special-mode-map.
+	(eww-mode): Derive from special-mode.  Don't use `setq' on a hook.
+
 2015-01-13  Alan Mackenzie  <acm@muc.de>
 	Allow compilation during loading of Modes derived from a CC Mode mode.
 	Fixes debbugs#19206.
-	* progmodes/cc-bytecomp.el (cc-bytecomp-compiling-or-loading): new
-	function which walks the stack to discover whether we're compiling
+	* progmodes/cc-bytecomp.el (cc-bytecomp-compiling-or-loading):
+	New function which walks the stack to discover whether we're compiling
 	or loading.
 	(cc-bytecomp-is-compiling): Reformulate, and move towards
 	beginning.
@@ -21,8 +28,8 @@
 	symbol's 'source property.
 	(c-lang-const): Use cc-bytecomp-is-compiling.
-	* progmodes/cc-langs.el (c-make-init-lang-vars-fun): Use
-	cc-bytecomp-is-compiling.
+	* progmodes/cc-langs.el (c-make-init-lang-vars-fun):
+	Use cc-bytecomp-is-compiling.
 2015-01-13  Stefan Monnier  <monnier@iro.umontreal.ca>
@@ -439,8 +446,8 @@
 	to `pre-command-hook'.
 	(xref--xref-buffer-mode-map): Don't remap `next-line' and
 	`previous-line'.  Additionally bind `xref-next-line' and
-	`xref-prev-line' to `n' and `p' respectively.  Bind
-	`xref-show-location-at-point' to `C-o'.
+	`xref-prev-line' to `n' and `p' respectively.
+	Bind `xref-show-location-at-point' to `C-o'.
 2015-01-01  Eli Zaretskii  <eliz@gnu.org>
@@ -629,15 +636,15 @@
 	Add argument MSG to display user-friendly message when no process
 	is running.
 	(python-shell-switch-to-shell): Call pop-to-buffer with NORECORD.
-	(python-shell-make-comint): Rename argument SHOW from POP.  Use
-	display-buffer instead of pop-to-buffer.
+	(python-shell-make-comint): Rename argument SHOW from POP.
+	Use display-buffer instead of pop-to-buffer.
 	(run-python): Doc fix.  Return process.
 	(python-shell-get-or-create-process): Make obsolete.
 2014-12-27  Fabián Ezequiel Gallina  <fgallina@gnu.org>
-	* progmodes/python.el (python-shell-buffer-substring): Handle
-	cornercase when region sent starts at point-min.
+	* progmodes/python.el (python-shell-buffer-substring):
+	Handle cornercase when region sent starts at point-min.
 2014-12-27  Eli Zaretskii  <eliz@gnu.org>
@@ -809,8 +816,8 @@
 2014-12-25  Filipp Gunbin  <fgunbin@fastmail.fm>
-	* dired-aux.el (dired-maybe-insert-subdir): Make
-	dired-maybe-insert-subdir always skip trivial files.
+	* dired-aux.el (dired-maybe-insert-subdir):
+	Make dired-maybe-insert-subdir always skip trivial files.
 2014-12-25  Helmut Eller  <eller.helmut@gmail.com>
             Dmitry Gutov  <dgutov@yandex.ru>
@@ -855,8 +862,8 @@
 	* window.el (mouse-autoselect-window-position-1): New variable.
 	(mouse-autoselect-window-cancel)
-	(mouse-autoselect-window-select, handle-select-window): With
-	delayed autoselection select window only if mouse moves after
+	(mouse-autoselect-window-select, handle-select-window):
+	With delayed autoselection select window only if mouse moves after
 	selecting its frame.
 2014-12-24  Michael Albinus  <michael.albinus@gmx.de>

lisp/net/eww.el

-;;; eww.el --- Emacs Web Wowser
+;;; eww.el --- Emacs Web Wowser  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2013-2015 Free Software Foundation, Inc.
 
@@ -552,7 +552,7 @@ See the `eww-search-prefix' variable for the search engine used."
   "Return URI of the Web page the current EWW buffer is visiting."
   (plist-get eww-data :url))
 
-(defun eww-links-at-point (&optional pt)
+(defun eww-links-at-point ()
   "Return list of URIs, if any, linked at point."
   (remq nil
 	(list (get-text-property (point) 'shr-url)
@@ -631,17 +631,13 @@ the like."
 
 (defvar eww-mode-map
   (let ((map (make-sparse-keymap)))
-    (suppress-keymap map)
-    (define-key map "q" 'quit-window)
-    (define-key map "g" 'eww-reload)
+    (set-keymap-parent map special-mode-map)
+    (define-key map "g" 'eww-reload) ;FIXME: revert-buffer-function instead!
     (define-key map "G" 'eww)
     (define-key map [?\t] 'shr-next-link)
     (define-key map [?\M-\t] 'shr-previous-link)
     (define-key map [backtab] 'shr-previous-link)
     (define-key map [delete] 'scroll-down-command)
-    (define-key map [?\S-\ ] 'scroll-down-command)
-    (define-key map "\177" 'scroll-down-command)
-    (define-key map " " 'scroll-up-command)
     (define-key map "l" 'eww-back-url)
     (define-key map "r" 'eww-forward-url)
     (define-key map "n" 'eww-next-url)
@@ -699,21 +695,19 @@ the like."
     map)
   "Tool bar for `eww-mode'.")
 
-(define-derived-mode eww-mode nil "eww"
-  "Mode for browsing the web.
-
-\\{eww-mode-map}"
+(define-derived-mode eww-mode special-mode "eww"
+  "Mode for browsing the web."
   (setq-local eww-data (list :title ""))
-  (setq-local browse-url-browser-function 'eww-browse-url)
-  (setq-local after-change-functions 'eww-process-text-input)
+  (setq-local browse-url-browser-function #'eww-browse-url)
+  (add-hook 'after-change-functions #'eww-process-text-input nil t)
   (setq-local eww-history nil)
   (setq-local eww-history-position 0)
   (when (boundp 'tool-bar-map)
-   (setq-local tool-bar-map eww-tool-bar-map))
+    (setq-local tool-bar-map eww-tool-bar-map))
   ;; desktop support
-  (setq-local desktop-save-buffer 'eww-desktop-misc-data)
+  (setq-local desktop-save-buffer #'eww-desktop-misc-data)
   ;; multi-page isearch support
-  (setq-local multi-isearch-next-buffer-function 'eww-isearch-next-buffer)
+  (setq-local multi-isearch-next-buffer-function #'eww-isearch-next-buffer)
   (setq truncate-lines t)
   (buffer-disable-undo)
   (setq buffer-read-only t))
@@ -1056,7 +1050,7 @@ See URL `https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input'.")
     (insert value)
     (shr-ensure-newline)
     (when (< (count-lines start (point)) lines)
-      (dotimes (i (- lines (count-lines start (point))))
+      (dotimes (_ (- lines (count-lines start (point))))
 	(insert "\n")))
     (setq end (point-marker))
     (goto-char start)
@@ -1848,7 +1842,7 @@ Also used when saving `eww-history'.")
     ;; .
     r))
 
-(defun eww-desktop-misc-data (directory)
+(defun eww-desktop-misc-data (_directory)
   "Return a property list with data used to restore eww buffers.
 This list will contain, as :history, the list, whose first element is
 the value of `eww-data', and the tail is `eww-history'.
@@ -1896,7 +1890,7 @@ Otherwise, the restored buffer will contain a prompt to do so by using
 
 ;;; Isearch support
 
-(defun eww-isearch-next-buffer (&optional buffer wrap)
+(defun eww-isearch-next-buffer (&optional _buffer wrap)
   "Go to the next page to search using `rel' attribute for navigation."
   (if wrap
       (condition-case nil