:group 'paragraphs
:type 'regexp)
-(defcustom sentence-end (purecopy "[.?!][]\"')}]*\\($\\| $\\|\t\\| \\)[ \t\n]*")
+(defcustom sentence-end-double-space t
+ "*Non-nil means a single space does not end a sentence.
+This is relevant for filling. See also `sentence-end-without-period'
+and `colon-double-space'.
+
+If you change this, you should also change `sentence-end'. See Info
+node `Sentences'."
+ :type 'boolean
+ :group 'fill)
+
+(defcustom sentence-end-without-period nil
+ "*Non-nil means a sentence will end without a period.
+For example, a sentence in Thai text ends with double space but
+without a period."
+ :type 'boolean
+ :group 'fill)
+
+(defcustom sentence-end
+ (purecopy
+ ;; This is a bit stupid since it's not auto-updated when the
+ ;; other variables are changes, but it's still useful info.
+ (concat (if sentence-end-without-period "\\w \\|")
+ "[.?!][]\"')}]*"
+ (if sentence-end-double-space
+ "\\($\\| $\\|\t\\| \\)" "\\($\\|[\t ]\\)")
+ "[ \t\n]*"))
"*Regexp describing the end of a sentence.
The value includes the whitespace following the sentence.
All paragraph boundaries also end sentences, regardless.
;; starting at the left-margin. This allows paragraph commands to
;; work normally with indented text.
;; This hack will not find problem cases like "whatever\\|^something".
- (paragraph-start (if (and (not (equal "" paragraph-start))
- (equal ?^ (aref paragraph-start 0)))
- (substring paragraph-start 1)
- paragraph-start))
- (paragraph-separate (if (and (not (equal "" paragraph-separate))
- (equal ?^ (aref paragraph-separate 0)))
- (substring paragraph-separate 1)
- paragraph-separate))
- (paragraph-separate
+ (parstart (if (and (not (equal "" paragraph-start))
+ (equal ?^ (aref paragraph-start 0)))
+ (substring paragraph-start 1)
+ paragraph-start))
+ (parsep (if (and (not (equal "" paragraph-separate))
+ (equal ?^ (aref paragraph-separate 0)))
+ (substring paragraph-separate 1)
+ paragraph-separate))
+ (parsep
(if fill-prefix-regexp
- (concat paragraph-separate "\\|"
+ (concat parsep "\\|"
fill-prefix-regexp "[ \t]*$")
- paragraph-separate))
+ parsep))
;; This is used for searching.
- (sp-paragraph-start (concat "^[ \t]*\\(" paragraph-start "\\)"))
+ (sp-parstart (concat "^[ \t]*\\(?:" parstart "\\|" parsep "\\)"))
start found-start)
(while (and (< arg 0) (not (bobp)))
- (if (and (not (looking-at paragraph-separate))
+ (if (and (not (looking-at parsep))
(re-search-backward "^\n" (max (1- (point)) (point-min)) t)
- (looking-at paragraph-separate))
+ (looking-at parsep))
nil
(setq start (point))
;; Move back over paragraph-separating lines.
(forward-char -1) (beginning-of-line)
(while (and (not (bobp))
(progn (move-to-left-margin)
- (looking-at paragraph-separate)))
+ (looking-at parsep)))
(forward-line -1))
(if (bobp)
nil
(end-of-line)
;; Search back for line that starts or separates paragraphs.
(if (if fill-prefix-regexp
- ;; There is a fill prefix; it overrides paragraph-start.
+ ;; There is a fill prefix; it overrides parstart.
(let (multiple-lines)
(while (and (progn (beginning-of-line) (not (bobp)))
(progn (move-to-left-margin)
- (not (looking-at paragraph-separate)))
+ (not (looking-at parsep)))
(looking-at fill-prefix-regexp))
(unless (= (point) start)
(setq multiple-lines t))
(forward-line -1))
(move-to-left-margin)
-;;; This deleted code caused a long hanging-indent line
-;;; not to be filled together with the following lines.
-;;; ;; Don't move back over a line before the paragraph
-;;; ;; which doesn't start with fill-prefix
-;;; ;; unless that is the only line we've moved over.
-;;; (and (not (looking-at fill-prefix-regexp))
-;;; multiple-lines
-;;; (forward-line 1))
+ ;; This deleted code caused a long hanging-indent line
+ ;; not to be filled together with the following lines.
+ ;; ;; Don't move back over a line before the paragraph
+ ;; ;; which doesn't start with fill-prefix
+ ;; ;; unless that is the only line we've moved over.
+ ;; (and (not (looking-at fill-prefix-regexp))
+ ;; multiple-lines
+ ;; (forward-line 1))
(not (bobp)))
- (while (and (re-search-backward sp-paragraph-start nil 1)
+ (while (and (re-search-backward sp-parstart nil 1)
(setq found-start t)
;; Found a candidate, but need to check if it is a
- ;; REAL paragraph-start.
+ ;; REAL parstart.
(progn (setq start (point))
(move-to-left-margin)
- (not (looking-at paragraph-separate)))
- (not (and (looking-at paragraph-start)
- (not
- (and use-hard-newlines
- (not (bobp))
- (not (get-text-property (1- start)
- 'hard)))))))
+ (not (looking-at parsep)))
+ (not (and (looking-at parstart)
+ (or (not use-hard-newlines)
+ (get-text-property (1- start) 'hard)
+ (bobp)))))
(setq found-start nil)
(goto-char start))
found-start)
;; because we know we moved back over a non-separator.
(while (and (not (eobp))
(progn (move-to-left-margin)
- (looking-at paragraph-separate)))
+ (looking-at parsep)))
(forward-line 1))
;; If line before paragraph is just margin, back up to there.
(end-of-line 0)
;; No starter or separator line => use buffer beg.
(goto-char (point-min)))))
(setq arg (1+ arg)))
+
(while (and (> arg 0) (not (eobp)))
;; Move forward over separator lines, and one more line.
(while (prog1 (and (not (eobp))
(progn (move-to-left-margin) (not (eobp)))
- (looking-at paragraph-separate))
+ (looking-at parsep))
(forward-line 1)))
(if fill-prefix-regexp
- ;; There is a fill prefix; it overrides paragraph-start.
+ ;; There is a fill prefix; it overrides parstart.
(while (and (not (eobp))
(progn (move-to-left-margin) (not (eobp)))
- (not (looking-at paragraph-separate))
+ (not (looking-at parsep))
(looking-at fill-prefix-regexp))
(forward-line 1))
- (while (and (re-search-forward sp-paragraph-start nil 1)
+ (while (and (re-search-forward sp-parstart nil 1)
(progn (setq start (match-beginning 0))
(goto-char start)
(not (eobp)))
(progn (move-to-left-margin)
- (not (looking-at paragraph-separate)))
- (or (not (looking-at paragraph-start))
+ (not (looking-at parsep)))
+ (or (not (looking-at parstart))
(and use-hard-newlines
(not (get-text-property (1- start) 'hard)))))
(forward-char 1))