tune Emacs' RAM usage (down to approx 10MB now). Hide menu bar,

to save screen space.

emacs/patches/001-tune-loadup.patch

@@ -0,0 +1,34 @@
+Index: emacs23.2-openwrt/lisp/loadup.el
+===================================================================
+--- emacs23.2-openwrt/lisp/loadup.el	(revision 360)
++++ emacs23.2-openwrt/lisp/loadup.el	(working copy)
+@@ -47,6 +47,13 @@
+ 
+ ;;; Code:
+ 
++;; This reduces memory usage by a few MB.  So far no negative consequences
++;; have been witnessed.
++(setq inhibit-load-charset-map t)
++
++;; Not sure whether required.  Playing safe.
++(setq purify-flag nil)
++
+ ;; Add subdirectories to the load-path for files that might get
+ ;; autoloaded when bootstrapping.
+ (if (or (equal (nth 3 command-line-args) "bootstrap")
+@@ -326,9 +333,13 @@
+ ;; We don't use this fns-*.el file.  Instead we keep the data in PURE space.
+ ;; Make sure that the spine of the list is not in pure space because it can
+ ;; be destructively mutated in lread.c:build_load_history.
+-(setq load-history (mapcar 'purecopy load-history))
+-(setq symbol-file-load-history-loaded t)
+ 
++;; The code below makes no sense with a CANNOT_DUMP emacs build.  Commented
++;; out.
++
++;; (setq load-history (mapcar 'purecopy load-history))
++;; (setq symbol-file-load-history-loaded t)
++
+ (set-buffer-modified-p nil)
+ 
+ ;; reset the load-path.  See lread.c:init_lread why.