Hold previous change until after the release.

3 files changed, 184 insertions, 4 deletions

diff --git a/lisp/dos-fns.el b/lisp/dos-fns.el
index b641a886a76..924f5a9b76a 100644
--- a/lisp/dos-fns.el
+++ b/lisp/dos-fns.el
@@ -28,6 +28,21 @@
 
 ;;; Code:
 
+;;; Add %t: into the mode line format just after the open-paren.
+(let ((tail (member "   %[(" mode-line-format)))
+  (setcdr tail (cons (purecopy "%t:")
+		     (cdr tail))))
+
+;; Use ";" instead of ":" as a path separator (from files.el).
+(setq path-separator ";")
+
+;; Set the null device (for compile.el).
+(setq grep-null-device "NUL")
+
+;; Set the grep regexp to match entries with drive letters.
+(setq grep-regexp-alist
+  '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3)))
+
 ;; This overrides a trivial definition in files.el.
 (defun convert-standard-filename (filename)
   "Convert a standard file's name to something suitable for the current OS.
@@ -78,6 +93,63 @@ with a definition that really does change some file names."
 	  (aset string (1- (length string)) lastchar))
       (concat dir string))))
 
+(defvar file-name-buffer-file-type-alist
+  '(
+    ("[:/].*config.sys$" . nil)		; config.sys text
+    ("\\.elc$" . t)			; emacs stuff
+    ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
+					; MS-Dos stuff
+    ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
+					; Packers
+    ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
+					; Unix stuff
+    ("\\.tp[ulpw]$" . t)
+					; Borland Pascal stuff
+    ("[:/]tags$" . t)
+					; Emacs TAGS file
+    )
+  "*Alist for distinguishing text files from binary files.
+Each element has the form (REGEXP . TYPE), where REGEXP is matched
+against the file name, and TYPE is nil for text, t for binary.")
+
+(defun find-buffer-file-type (filename)
+  (let ((alist file-name-buffer-file-type-alist)
+	(found nil)
+	(code nil))
+    (let ((case-fold-search t))
+      (setq filename (file-name-sans-versions filename))
+      (while (and (not found) alist)
+	(if (string-match (car (car alist)) filename)
+	    (setq code (cdr (car alist))
+		  found t))
+	(setq alist (cdr alist))))
+    (if found
+	(cond((memq code '(nil t)) code)
+	     ((and (symbolp code) (fboundp code))
+	      (funcall code filename)))
+      default-buffer-file-type)))
+
+(defun find-file-binary (filename) 
+  "Visit file FILENAME and treat it as binary."
+  (interactive "FFind file binary: ")
+  (let ((file-name-buffer-file-type-alist '(("" . t))))
+    (find-file filename)))
+
+(defun find-file-text (filename) 
+  "Visit file FILENAME and treat it as a text file."
+  (interactive "FFind file text: ")
+  (let ((file-name-buffer-file-type-alist '(("" . nil))))
+    (find-file filename)))
+
+(defun find-file-not-found-set-buffer-file-type ()
+  (save-excursion
+    (set-buffer (current-buffer))
+    (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
+  nil)
+
+;;; To set the default file type on new files.
+(add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
+
 (defvar msdos-shells '("command.com" "4dos.com" "ndos.com")
   "*List of shells that use `/c' instead of `-c' and a backslashed command.")
 
diff --git a/lisp/loadup.el b/lisp/loadup.el
index 6d5bb4ed75f..789f374378d 100644
--- a/lisp/loadup.el
+++ b/lisp/loadup.el
@@ -114,16 +114,12 @@
       (garbage-collect)
       (load "disp-table") ; needed to setup ibm-pc char set, see internal.el
       (garbage-collect)
-      (load "dos-win32")
-      (garbage-collect)
       (load "winnt")
       (garbage-collect)))
 (if (eq system-type 'ms-dos)
     (progn
       (load "ls-lisp")
       (garbage-collect)
-      (load "dos-win32")
-      (garbage-collect)
       (load "dos-fns")
       (garbage-collect)
       (load "disp-table") ; needed to setup ibm-pc char set, see internal.el
diff --git a/lisp/w32-fns.el b/lisp/w32-fns.el
index 39eb75c09fe..9b6046b4f13 100644
--- a/lisp/w32-fns.el
+++ b/lisp/w32-fns.el
@@ -39,6 +39,23 @@
 (define-key function-key-map [M-backspace] [?\M-\177])
 (define-key function-key-map [C-M-backspace] [\C-\M-delete])
 
+;; Show file type (text or binary) on modeline
+(setq-default mode-line-format
+  (list (purecopy "")
+   'mode-line-modified
+   'mode-line-buffer-identification
+   (purecopy "   ")
+   'global-mode-string
+   (purecopy "   %[(")
+   (purecopy "%t:")
+   'mode-name 'mode-line-process 'minor-mode-alist
+   (purecopy "%n")
+   (purecopy ")%]--")
+   (purecopy '(line-number-mode "L%l--"))
+   (purecopy '(column-number-mode "C%c--"))
+   (purecopy '(-3 . "%p"))
+   (purecopy "-%-")))
+
 ;; Ignore case on file-name completion
 (setq completion-ignore-case t)
 
@@ -46,6 +63,101 @@
 ;; for executing its command line argument (from simple.el).
 (setq shell-command-switch "/c")
 
+;; Use ";" instead of ":" as a path separator (from files.el).
+(setq path-separator ";")
+
+;; Set the null device (for compile.el).
+(setq grep-null-device "NUL")
+
+;; Set the grep regexp to match entries with drive letters.
+(setq grep-regexp-alist
+  '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3)))
+
+;; Taken from dos-fn.el ... don't want all that's in the file, maybe
+;; separate it out someday.
+
+(defvar file-name-buffer-file-type-alist
+  '(
+    ("[:/].*config.sys$" . nil)		; config.sys text
+    ("\\.elc$" . t)			; emacs stuff
+    ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
+					; MS-Dos stuff
+    ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
+					; Packers
+    ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
+					; Unix stuff
+    ("\\.tp[ulpw]$" . t)
+					; Borland Pascal stuff
+    ("[:/]tags$" . t)
+					; Emacs TAGS file
+    )
+  "*Alist for distinguishing text files from binary files.
+Each element has the form (REGEXP . TYPE), where REGEXP is matched
+against the file name, and TYPE is nil for text, t for binary.")
+
+(defun find-buffer-file-type (filename)
+  (let ((alist file-name-buffer-file-type-alist)
+	(found nil)
+	(code nil))
+    (let ((case-fold-search t))
+      (setq filename (file-name-sans-versions filename))
+      (while (and (not found) alist)
+	(if (string-match (car (car alist)) filename)
+	    (setq code (cdr (car alist))
+		  found t))
+	(setq alist (cdr alist))))
+    (if found
+	(cond((memq code '(nil t)) code)
+	     ((and (symbolp code) (fboundp code))
+	      (funcall code filename)))
+      default-buffer-file-type)))
+
+(defun find-file-binary (filename) 
+  "Visit file FILENAME and treat it as binary."
+  (interactive "FFind file binary: ")
+  (let ((file-name-buffer-file-type-alist '(("" . t))))
+    (find-file filename)))
+
+(defun find-file-text (filename) 
+  "Visit file FILENAME and treat it as a text file."
+  (interactive "FFind file text: ")
+  (let ((file-name-buffer-file-type-alist '(("" . nil))))
+    (find-file filename)))
+
+(defun find-file-not-found-set-buffer-file-type ()
+  (save-excursion
+    (set-buffer (current-buffer))
+    (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
+  nil)
+
+;;; To set the default file type on new files.
+(add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
+
+;;; For using attached Unix filesystems.
+(defun save-to-unix-hook ()
+  (save-excursion
+    (setq buffer-file-type t))
+  nil)
+
+(defun revert-from-unix-hook ()
+  (save-excursion
+    (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
+  nil)
+
+;; Really should provide this capability at the drive letter granularity.
+(defun using-unix-filesystems (flag)
+  "Read and write all files assuming that they are on a drive attached 
+to a remote Unix file system.  No CR/LF translation is done on any files
+in this case.  This behavior is activated when FLAG is t and deactived
+when FLAG is any other value."
+  (if flag
+      (progn
+	(add-hook 'write-file-hooks 'save-to-unix-hook)
+	(add-hook 'after-save-hook 'revert-from-unix-hook))
+    (progn
+      (remove-hook 'write-file-hooks 'save-to-unix-hook)
+      (remove-hook 'after-save-hook 'revert-from-unix-hook))))
+
 ;;; Avoid creating auto-save file names containing illegal characters
 ;;; (primarily "*", eg. for the *mail* buffer).
 (fset 'original-make-auto-save-file-name