;;; longlines.el --- automatically wrap long lines
-;; Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
+;; Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
;; Authors: Kai Grossjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
;; Alex Schroeder <alex@gnu.org>
(add-hook 'before-revert-hook 'longlines-before-revert-hook nil t)
(make-local-variable 'buffer-substring-filters)
(set (make-local-variable 'isearch-search-fun-function)
- 'longlinges-search-function)
+ 'longlines-search-function)
(add-to-list 'buffer-substring-filters 'longlines-encode-string)
(when longlines-wrap-follows-window-size
(set (make-local-variable 'fill-column)
;; longlines-wrap-lines that we'll never encounter from here
(save-restriction
(widen)
- (longlines-decode-buffer))
- (longlines-wrap-region (point-min) (point-max))
+ (longlines-decode-buffer)
+ (longlines-wrap-region (point-min) (point-max)))
(set-buffer-modified-p mod))
(when (and longlines-show-hard-newlines
(not longlines-showing))
;; Hacks to make longlines play nice with various modes.
(cond ((eq major-mode 'mail-mode)
+ (add-hook 'mail-setup-hook 'longlines-decode-buffer nil t)
(or mail-citation-hook
(add-hook 'mail-citation-hook 'mail-indent-citation nil t))
(add-hook 'mail-citation-hook 'longlines-decode-region nil t))
(widen)
(longlines-encode-region (point-min) (point-max))))
(remove-hook 'change-major-mode-hook 'longlines-mode-off t)
- (remove-hook 'before-kill-functions 'longlines-encode-region t)
(remove-hook 'after-change-functions 'longlines-after-change-function t)
(remove-hook 'post-command-hook 'longlines-post-command-function t)
(remove-hook 'before-revert-hook 'longlines-before-revert-hook t)
nil)
(if (longlines-merge-lines-p)
(progn (end-of-line)
- (delete-char 1)
;; After certain commands (e.g. kill-line), there may be two
;; successive soft newlines in the buffer. In this case, we
;; replace these two newlines by a single space. Unfortunately,
;; this breaks the conservation of (spaces + newlines), so we
;; have to fiddle with longlines-wrap-point.
- (if (or (bolp) (eolp))
- (if (> longlines-wrap-point (point))
- (setq longlines-wrap-point
- (1- longlines-wrap-point)))
- (insert-char ? 1))
+ (if (or (prog1 (bolp) (forward-char 1)) (eolp))
+ (progn
+ (delete-char -1)
+ (if (> longlines-wrap-point (point))
+ (setq longlines-wrap-point
+ (1- longlines-wrap-point))))
+ (insert-before-markers-and-inherit ?\ )
+ (backward-char 1)
+ (delete-char -1)
+ (forward-char 1))
nil)
(forward-line 1)
t)))
(if (null beg) (setq beg (point)))
(if (null end) (setq end (mark t)))
(save-excursion
- (goto-char (min beg end))
- (while (search-forward "\n" (max beg end) t)
- (set-hard-newline-properties
- (match-beginning 0) (match-end 0)))))
+ (let ((reg-max (max beg end)))
+ (goto-char (min beg end))
+ (while (search-forward "\n" reg-max t)
+ (set-hard-newline-properties
+ (match-beginning 0) (match-end 0))))))
(defun longlines-decode-buffer ()
"Turn all newlines in the buffer into hard newlines."
Hard newlines are left intact. The optional argument BUFFER exists for
compatibility with `format-alist', and is ignored."
(save-excursion
- (let ((mod (buffer-modified-p)))
+ (let ((reg-max (max beg end))
+ (mod (buffer-modified-p)))
(goto-char (min beg end))
- (while (search-forward "\n" (max (max beg end)) t)
+ (while (search-forward "\n" reg-max t)
(unless (get-text-property (match-beginning 0) 'hard)
(replace-match " ")))
(set-buffer-modified-p mod)
;; Isearch
-(defun longlinges-search-function ()
+(defun longlines-search-function ()
(cond
(isearch-word
(if isearch-forward 'word-search-forward 'word-search-backward))