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55535639 | 1 | ;;; paragraphs.el --- paragraph and sentence parsing |
6594deb0 | 2 | |
3fe35f35 | 3 | ;; Copyright (C) 1985, 86, 87, 91, 94, 95, 96, 1997, 1999, 2000, 2001 |
e4550233 | 4 | ;; Free Software Foundation, Inc. |
9750e079 | 5 | |
4821e2af | 6 | ;; Maintainer: FSF |
d7b4d18f | 7 | ;; Keywords: wp |
4821e2af | 8 | |
a2535589 JA |
9 | ;; This file is part of GNU Emacs. |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
29add8b9 | 13 | ;; the Free Software Foundation; either version 2, or (at your option) |
a2535589 JA |
14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | ;; Boston, MA 02111-1307, USA. | |
a2535589 | 25 | |
edbd2f74 ER |
26 | ;;; Commentary: |
27 | ||
28 | ;; This package provides the paragraph-oriented commands documented in the | |
29 | ;; Emacs manual. | |
30 | ||
4821e2af | 31 | ;;; Code: |
a2535589 | 32 | |
e4550233 RS |
33 | (defgroup paragraphs nil |
34 | "Paragraph and sentence parsing." | |
35 | :group 'editing) | |
36 | ||
07187d55 | 37 | (define-minor-mode use-hard-newlines |
965eb84a RS |
38 | "Minor mode to distinguish hard and soft newlines. |
39 | When active, the functions `newline' and `open-line' add the | |
40 | text-property `hard' to newlines that they insert, and a line is | |
55cc5677 | 41 | only considered as a candidate to match `paragraph-start' or |
965eb84a | 42 | `paragraph-separate' if it follows a hard newline. |
55cc5677 | 43 | |
965eb84a RS |
44 | Prefix argument says to turn mode on if positive, off if negative. |
45 | When the mode is turned on, if there are newlines in the buffer but no hard | |
db95369b | 46 | newlines, ask the user whether to mark as hard any newlines preceeding a |
965eb84a RS |
47 | `paragraph-start' line. From a program, second arg INSERT specifies whether |
48 | to do this; it can be `never' to change nothing, t or `always' to force | |
db95369b | 49 | marking, `guess' to try to do the right thing with no questions, nil |
965eb84a RS |
50 | or anything else to ask the user. |
51 | ||
52 | Newlines not marked hard are called \"soft\", and are always internal | |
53 | to paragraphs. The fill functions insert and delete only soft newlines." | |
eacd92dd | 54 | :group 'paragraphs |
07187d55 SM |
55 | :extra-args (insert) |
56 | (when use-hard-newlines | |
965eb84a RS |
57 | ;; Turn mode on |
58 | ;; Intuit hard newlines -- | |
59 | ;; mark as hard any newlines preceding a paragraph-start line. | |
60 | (if (or (eq insert t) (eq insert 'always) | |
61 | (and (not (eq 'never insert)) | |
965eb84a RS |
62 | (not (text-property-any (point-min) (point-max) 'hard t)) |
63 | (save-excursion | |
64 | (goto-char (point-min)) | |
65 | (search-forward "\n" nil t)) | |
66 | (or (eq insert 'guess) | |
67 | (y-or-n-p "Make newlines between paragraphs hard? ")))) | |
68 | (save-excursion | |
69 | (goto-char (point-min)) | |
70 | (while (search-forward "\n" nil t) | |
71 | (let ((pos (point))) | |
72 | (move-to-left-margin) | |
07187d55 SM |
73 | (when (looking-at paragraph-start) |
74 | (set-hard-newline-properties (1- pos) pos)) | |
75 | ;; If paragraph-separate, newline after it is hard too. | |
76 | (when (looking-at paragraph-separate) | |
77 | (set-hard-newline-properties (1- pos) pos) | |
78 | (end-of-line) | |
79 | (unless (eobp) | |
80 | (set-hard-newline-properties (point) (1+ (point))))))))))) | |
55cc5677 | 81 | |
07187d55 | 82 | (defcustom paragraph-start "\f\\|[ \t]*$" "\ |
1f2007b3 RS |
83 | *Regexp for beginning of a line that starts OR separates paragraphs. |
84 | This regexp should match lines that separate paragraphs | |
85 | and should also match lines that start a paragraph | |
86 | \(and are part of that paragraph). | |
a37669ec | 87 | |
55cc5677 BG |
88 | This is matched against the text at the left margin, which is not necessarily |
89 | the beginning of the line, so it should never use \"^\" as an anchor. This | |
90 | ensures that the paragraph functions will work equally well within a region | |
91 | of text indented by a margin setting. | |
92 | ||
1f2007b3 | 93 | The variable `paragraph-separate' specifies how to distinguish |
a37669ec RS |
94 | lines that start paragraphs from lines that separate them. |
95 | ||
3f5dc0b0 | 96 | If the variable `use-hard-newlines' is non-nil, then only lines following a |
e4550233 RS |
97 | hard newline are considered to match." |
98 | :group 'paragraphs | |
99 | :type 'regexp) | |
6503cec3 | 100 | |
55cc5677 BG |
101 | ;; paragraph-start requires a hard newline, but paragraph-separate does not: |
102 | ;; It is assumed that paragraph-separate is distinctive enough to be believed | |
103 | ;; whenever it occurs, while it is reasonable to set paragraph-start to | |
104 | ;; something very minimal, even including "." (which makes every hard newline | |
105 | ;; start a new paragraph). | |
106 | ||
e4550233 RS |
107 | (defcustom paragraph-separate "[ \t\f]*$" |
108 | "*Regexp for beginning of a line that separates paragraphs. | |
9d7c4eb5 | 109 | If you change this, you may have to change `paragraph-start' also. |
a37669ec | 110 | |
55cc5677 BG |
111 | This is matched against the text at the left margin, which is not necessarily |
112 | the beginning of the line, so it should not use \"^\" as an anchor. This | |
113 | ensures that the paragraph functions will work equally within a region of | |
e4550233 RS |
114 | text indented by a margin setting." |
115 | :group 'paragraphs | |
116 | :type 'regexp) | |
6503cec3 | 117 | |
629261c7 SM |
118 | (defcustom sentence-end-double-space t |
119 | "*Non-nil means a single space does not end a sentence. | |
120 | This is relevant for filling. See also `sentence-end-without-period' | |
121 | and `colon-double-space'. | |
122 | ||
123 | If you change this, you should also change `sentence-end'. See Info | |
124 | node `Sentences'." | |
125 | :type 'boolean | |
126 | :group 'fill) | |
127 | ||
128 | (defcustom sentence-end-without-period nil | |
129 | "*Non-nil means a sentence will end without a period. | |
130 | For example, a sentence in Thai text ends with double space but | |
131 | without a period." | |
132 | :type 'boolean | |
133 | :group 'fill) | |
134 | ||
9402a4b9 KH |
135 | (defcustom sentence-end-without-space |
136 | "\e$B!#!%!)!*\e$A!##.#?#!\e$(0!$!%!)!*\e$(G!$!%!)!*\e(B" | |
137 | "*String containing characters that end sentence without following spaces. | |
138 | If you change this, you should also change `sentence-end'. See Info | |
139 | node `Sentences'." | |
140 | :group 'paragraphs | |
141 | :type 'string) | |
142 | ||
629261c7 SM |
143 | (defcustom sentence-end |
144 | (purecopy | |
145 | ;; This is a bit stupid since it's not auto-updated when the | |
146 | ;; other variables are changes, but it's still useful info. | |
147 | (concat (if sentence-end-without-period "\\w \\|") | |
9402a4b9 | 148 | "\\([.?!][]\"')}]*" |
629261c7 SM |
149 | (if sentence-end-double-space |
150 | "\\($\\| $\\|\t\\| \\)" "\\($\\|[\t ]\\)") | |
9402a4b9 | 151 | "\\|[" sentence-end-without-space "]+\\)" |
629261c7 | 152 | "[ \t\n]*")) |
e4550233 | 153 | "*Regexp describing the end of a sentence. |
ac1470eb | 154 | The value includes the whitespace following the sentence. |
51534471 JB |
155 | All paragraph boundaries also end sentences, regardless. |
156 | ||
220dae72 DL |
157 | The default value specifies that in order to be recognized as the end |
158 | of a sentence, the ending period, question mark, or exclamation point | |
159 | must be followed by two spaces, unless it's inside some sort of quotes | |
160 | or parenthesis. | |
161 | ||
8919155a DL |
162 | See also the variable `sentence-end-double-space', the variable |
163 | `sentence-end-without-period' and Info node `Sentences'." | |
e4550233 RS |
164 | :group 'paragraphs |
165 | :type 'regexp) | |
166 | ||
167 | (defcustom page-delimiter "^\014" | |
168 | "*Regexp describing line-beginnings that separate pages." | |
169 | :group 'paragraphs | |
170 | :type 'regexp) | |
171 | ||
172 | (defcustom paragraph-ignore-fill-prefix nil | |
173 | "*Non-nil means the paragraph commands are not affected by `fill-prefix'. | |
174 | This is desirable in modes where blank lines are the paragraph delimiters." | |
175 | :group 'paragraphs | |
176 | :type 'boolean) | |
77176e73 | 177 | |
a2535589 JA |
178 | (defun forward-paragraph (&optional arg) |
179 | "Move forward to end of paragraph. | |
94d63a23 RS |
180 | With argument ARG, do it ARG times; |
181 | a negative argument ARG = -N means move backward N paragraphs. | |
a2535589 JA |
182 | |
183 | A line which `paragraph-start' matches either separates paragraphs | |
184 | \(if `paragraph-separate' matches it also) or is the first line of a paragraph. | |
185 | A paragraph end is the beginning of a line which is not part of the paragraph | |
de24b077 SM |
186 | to which the end of the previous line belongs, or the end of the buffer. |
187 | Returns the count of paragraphs left to move." | |
a2535589 JA |
188 | (interactive "p") |
189 | (or arg (setq arg 1)) | |
17cca868 GM |
190 | (let* ((opoint (point)) |
191 | (fill-prefix-regexp | |
a2535589 JA |
192 | (and fill-prefix (not (equal fill-prefix "")) |
193 | (not paragraph-ignore-fill-prefix) | |
194 | (regexp-quote fill-prefix))) | |
55cc5677 BG |
195 | ;; Remove ^ from paragraph-start and paragraph-sep if they are there. |
196 | ;; These regexps shouldn't be anchored, because we look for them | |
197 | ;; starting at the left-margin. This allows paragraph commands to | |
198 | ;; work normally with indented text. | |
199 | ;; This hack will not find problem cases like "whatever\\|^something". | |
629261c7 SM |
200 | (parstart (if (and (not (equal "" paragraph-start)) |
201 | (equal ?^ (aref paragraph-start 0))) | |
202 | (substring paragraph-start 1) | |
203 | paragraph-start)) | |
204 | (parsep (if (and (not (equal "" paragraph-separate)) | |
205 | (equal ?^ (aref paragraph-separate 0))) | |
206 | (substring paragraph-separate 1) | |
207 | paragraph-separate)) | |
208 | (parsep | |
a2535589 | 209 | (if fill-prefix-regexp |
629261c7 | 210 | (concat parsep "\\|" |
a2535589 | 211 | fill-prefix-regexp "[ \t]*$") |
629261c7 | 212 | parsep)) |
55cc5677 | 213 | ;; This is used for searching. |
629261c7 | 214 | (sp-parstart (concat "^[ \t]*\\(?:" parstart "\\|" parsep "\\)")) |
eeb0f327 | 215 | start found-start) |
8a2a4ced | 216 | (while (and (< arg 0) (not (bobp))) |
629261c7 | 217 | (if (and (not (looking-at parsep)) |
a37669ec | 218 | (re-search-backward "^\n" (max (1- (point)) (point-min)) t) |
629261c7 | 219 | (looking-at parsep)) |
de24b077 | 220 | (setq arg (1+ arg)) |
2be01738 | 221 | (setq start (point)) |
8a2a4ced | 222 | ;; Move back over paragraph-separating lines. |
a2535589 | 223 | (forward-char -1) (beginning-of-line) |
a37669ec | 224 | (while (and (not (bobp)) |
55cc5677 | 225 | (progn (move-to-left-margin) |
629261c7 | 226 | (looking-at parsep))) |
3f5dc0b0 | 227 | (forward-line -1)) |
8a2a4ced RS |
228 | (if (bobp) |
229 | nil | |
de24b077 | 230 | (setq arg (1+ arg)) |
8a2a4ced RS |
231 | ;; Go to end of the previous (non-separating) line. |
232 | (end-of-line) | |
233 | ;; Search back for line that starts or separates paragraphs. | |
234 | (if (if fill-prefix-regexp | |
629261c7 | 235 | ;; There is a fill prefix; it overrides parstart. |
2be01738 | 236 | (let (multiple-lines) |
55cc5677 BG |
237 | (while (and (progn (beginning-of-line) (not (bobp))) |
238 | (progn (move-to-left-margin) | |
629261c7 | 239 | (not (looking-at parsep))) |
55cc5677 | 240 | (looking-at fill-prefix-regexp)) |
3f5dc0b0 SM |
241 | (unless (= (point) start) |
242 | (setq multiple-lines t)) | |
55cc5677 | 243 | (forward-line -1)) |
2be01738 | 244 | (move-to-left-margin) |
629261c7 SM |
245 | ;; This deleted code caused a long hanging-indent line |
246 | ;; not to be filled together with the following lines. | |
247 | ;; ;; Don't move back over a line before the paragraph | |
248 | ;; ;; which doesn't start with fill-prefix | |
249 | ;; ;; unless that is the only line we've moved over. | |
250 | ;; (and (not (looking-at fill-prefix-regexp)) | |
251 | ;; multiple-lines | |
252 | ;; (forward-line 1)) | |
2be01738 | 253 | (not (bobp))) |
629261c7 | 254 | (while (and (re-search-backward sp-parstart nil 1) |
eeb0f327 | 255 | (setq found-start t) |
55cc5677 | 256 | ;; Found a candidate, but need to check if it is a |
629261c7 | 257 | ;; REAL parstart. |
55cc5677 BG |
258 | (progn (setq start (point)) |
259 | (move-to-left-margin) | |
629261c7 SM |
260 | (not (looking-at parsep))) |
261 | (not (and (looking-at parstart) | |
262 | (or (not use-hard-newlines) | |
263 | (get-text-property (1- start) 'hard) | |
264 | (bobp))))) | |
eeb0f327 | 265 | (setq found-start nil) |
55cc5677 | 266 | (goto-char start)) |
eeb0f327 | 267 | found-start) |
de24b077 SM |
268 | ;; Found one. |
269 | (progn | |
8a2a4ced RS |
270 | ;; Move forward over paragraph separators. |
271 | ;; We know this cannot reach the place we started | |
272 | ;; because we know we moved back over a non-separator. | |
55cc5677 BG |
273 | (while (and (not (eobp)) |
274 | (progn (move-to-left-margin) | |
629261c7 | 275 | (looking-at parsep))) |
8a2a4ced | 276 | (forward-line 1)) |
55cc5677 BG |
277 | ;; If line before paragraph is just margin, back up to there. |
278 | (end-of-line 0) | |
279 | (if (> (current-column) (current-left-margin)) | |
280 | (forward-char 1) | |
281 | (skip-chars-backward " \t") | |
282 | (if (not (bolp)) | |
283 | (forward-line 1)))) | |
8a2a4ced | 284 | ;; No starter or separator line => use buffer beg. |
de24b077 | 285 | (goto-char (point-min)))))) |
629261c7 | 286 | |
8a2a4ced | 287 | (while (and (> arg 0) (not (eobp))) |
de24b077 SM |
288 | ;; Move forward over separator lines... |
289 | (while (and (not (eobp)) | |
290 | (progn (move-to-left-margin) (not (eobp))) | |
291 | (looking-at parsep)) | |
292 | (forward-line 1)) | |
293 | (unless (eobp) (setq arg (1- arg))) | |
294 | ;; ... and one more line. | |
295 | (forward-line 1) | |
a2535589 | 296 | (if fill-prefix-regexp |
629261c7 | 297 | ;; There is a fill prefix; it overrides parstart. |
a2535589 | 298 | (while (and (not (eobp)) |
55cc5677 | 299 | (progn (move-to-left-margin) (not (eobp))) |
629261c7 | 300 | (not (looking-at parsep)) |
a2535589 JA |
301 | (looking-at fill-prefix-regexp)) |
302 | (forward-line 1)) | |
629261c7 | 303 | (while (and (re-search-forward sp-parstart nil 1) |
55cc5677 BG |
304 | (progn (setq start (match-beginning 0)) |
305 | (goto-char start) | |
4669fb3c RS |
306 | (not (eobp))) |
307 | (progn (move-to-left-margin) | |
629261c7 SM |
308 | (not (looking-at parsep))) |
309 | (or (not (looking-at parstart)) | |
55cc5677 BG |
310 | (and use-hard-newlines |
311 | (not (get-text-property (1- start) 'hard))))) | |
a37669ec RS |
312 | (forward-char 1)) |
313 | (if (< (point) (point-max)) | |
de24b077 | 314 | (goto-char start)))) |
7b462fc6 SM |
315 | (constrain-to-field nil opoint t) |
316 | ;; Return the number of steps that could not be done. | |
317 | arg)) | |
a2535589 JA |
318 | |
319 | (defun backward-paragraph (&optional arg) | |
320 | "Move backward to start of paragraph. | |
94d63a23 RS |
321 | With argument ARG, do it ARG times; |
322 | a negative argument ARG = -N means move forward N paragraphs. | |
a2535589 | 323 | |
23b34992 BP |
324 | A paragraph start is the beginning of a line which is a |
325 | `first-line-of-paragraph' or which is ordinary text and follows a | |
326 | paragraph-separating line; except: if the first real line of a | |
327 | paragraph is preceded by a blank line, the paragraph starts at that | |
328 | blank line. | |
329 | ||
330 | See `forward-paragraph' for more information." | |
a2535589 JA |
331 | (interactive "p") |
332 | (or arg (setq arg 1)) | |
333 | (forward-paragraph (- arg))) | |
334 | ||
f48b59a2 | 335 | (defun mark-paragraph (&optional arg) |
a2535589 | 336 | "Put point at beginning of this paragraph, mark at end. |
f48b59a2 KG |
337 | The paragraph marked is the one that contains point or follows point. |
338 | ||
339 | With argument ARG, puts mark at end of a following paragraph, so that | |
340 | the number of paragraphs marked equals ARG. | |
341 | ||
342 | If ARG is negative, point is put at end of this paragraph, mark is put | |
cad113ae KG |
343 | at beginning of this or a previous paragraph. |
344 | ||
345 | If this command is repeated, it marks the next ARG paragraphs after (or | |
346 | before, if arg is negative) the ones already marked." | |
f48b59a2 | 347 | (interactive "p") |
be0d25b6 KG |
348 | (unless arg (setq arg 1)) |
349 | (when (zerop arg) | |
350 | (error "Cannot mark zero paragraphs")) | |
351 | (cond ((and (eq last-command this-command) (mark t)) | |
352 | (set-mark | |
353 | (save-excursion | |
354 | (goto-char (mark)) | |
355 | (forward-paragraph arg) | |
356 | (point)))) | |
357 | (t | |
358 | (forward-paragraph arg) | |
359 | (push-mark nil t t) | |
360 | (backward-paragraph arg)))) | |
a2535589 JA |
361 | |
362 | (defun kill-paragraph (arg) | |
363 | "Kill forward to end of paragraph. | |
364 | With arg N, kill forward to Nth end of paragraph; | |
365 | negative arg -N means kill backward to Nth start of paragraph." | |
275cf1b2 | 366 | (interactive "p") |
8d6eaa00 | 367 | (kill-region (point) (progn (forward-paragraph arg) (point)))) |
a2535589 JA |
368 | |
369 | (defun backward-kill-paragraph (arg) | |
370 | "Kill back to start of paragraph. | |
371 | With arg N, kill back to Nth start of paragraph; | |
372 | negative arg -N means kill forward to Nth end of paragraph." | |
275cf1b2 | 373 | (interactive "p") |
17cca868 | 374 | (kill-region (point) (progn (backward-paragraph arg) (point)))) |
a2535589 JA |
375 | |
376 | (defun transpose-paragraphs (arg) | |
377 | "Interchange this (or next) paragraph with previous one." | |
378 | (interactive "*p") | |
379 | (transpose-subr 'forward-paragraph arg)) | |
380 | ||
381 | (defun start-of-paragraph-text () | |
382 | (let ((opoint (point)) npoint) | |
383 | (forward-paragraph -1) | |
384 | (setq npoint (point)) | |
385 | (skip-chars-forward " \t\n") | |
b4e6c391 RS |
386 | ;; If the range of blank lines found spans the original start point, |
387 | ;; try again from the beginning of it. | |
388 | ;; Must be careful to avoid infinite loop | |
389 | ;; when following a single return at start of buffer. | |
390 | (if (and (>= (point) opoint) (< npoint opoint)) | |
a2535589 JA |
391 | (progn |
392 | (goto-char npoint) | |
393 | (if (> npoint (point-min)) | |
394 | (start-of-paragraph-text)))))) | |
395 | ||
396 | (defun end-of-paragraph-text () | |
397 | (let ((opoint (point))) | |
398 | (forward-paragraph 1) | |
399 | (if (eq (preceding-char) ?\n) (forward-char -1)) | |
400 | (if (<= (point) opoint) | |
401 | (progn | |
402 | (forward-char 1) | |
403 | (if (< (point) (point-max)) | |
404 | (end-of-paragraph-text)))))) | |
405 | ||
406 | (defun forward-sentence (&optional arg) | |
51534471 | 407 | "Move forward to next `sentence-end'. With argument, repeat. |
23b34992 | 408 | With negative argument, move backward repeatedly to `sentence-beginning'. |
a2535589 | 409 | |
23b34992 BP |
410 | The variable `sentence-end' is a regular expression that matches ends of |
411 | sentences. Also, every paragraph boundary terminates sentences as well." | |
a2535589 JA |
412 | (interactive "p") |
413 | (or arg (setq arg 1)) | |
17cca868 GM |
414 | (let ((opoint (point))) |
415 | (while (< arg 0) | |
ea2c6478 GM |
416 | (let ((pos (point)) |
417 | (par-beg (save-excursion (start-of-paragraph-text) (point)))) | |
418 | (if (and (re-search-backward sentence-end par-beg t) | |
419 | (or (< (match-end 0) pos) | |
420 | (re-search-backward sentence-end par-beg t))) | |
421 | (goto-char (match-end 0)) | |
17cca868 GM |
422 | (goto-char par-beg))) |
423 | (setq arg (1+ arg))) | |
424 | (while (> arg 0) | |
425 | (let ((par-end (save-excursion (end-of-paragraph-text) (point)))) | |
426 | (if (re-search-forward sentence-end par-end t) | |
427 | (skip-chars-backward " \t\n") | |
428 | (goto-char par-end))) | |
429 | (setq arg (1- arg))) | |
430 | (constrain-to-field nil opoint t))) | |
a2535589 | 431 | |
d320a41d | 432 | (defun repunctuate-sentences () |
d320a41d RS |
433 | "Put two spaces at the end of sentences from point to the end of buffer. |
434 | It works using `query-replace-regexp'." | |
279dffd6 | 435 | (interactive) |
d320a41d RS |
436 | (query-replace-regexp "\\([]\"')]?\\)\\([.?!]\\)\\([]\"')]?\\) +" |
437 | "\\1\\2\\3 ")) | |
438 | ||
439 | ||
a2535589 JA |
440 | (defun backward-sentence (&optional arg) |
441 | "Move backward to start of sentence. With arg, do it arg times. | |
23b34992 | 442 | See `forward-sentence' for more information." |
a2535589 JA |
443 | (interactive "p") |
444 | (or arg (setq arg 1)) | |
445 | (forward-sentence (- arg))) | |
446 | ||
447 | (defun kill-sentence (&optional arg) | |
448 | "Kill from point to end of sentence. | |
449 | With arg, repeat; negative arg -N means kill back to Nth start of sentence." | |
275cf1b2 | 450 | (interactive "p") |
8d6eaa00 | 451 | (kill-region (point) (progn (forward-sentence arg) (point)))) |
a2535589 JA |
452 | |
453 | (defun backward-kill-sentence (&optional arg) | |
454 | "Kill back from point to start of sentence. | |
455 | With arg, repeat, or kill forward to Nth end of sentence if negative arg -N." | |
275cf1b2 | 456 | (interactive "p") |
17cca868 | 457 | (kill-region (point) (progn (backward-sentence arg) (point)))) |
a2535589 JA |
458 | |
459 | (defun mark-end-of-sentence (arg) | |
cad113ae KG |
460 | "Put mark at end of sentence. Arg works as in `forward-sentence'. |
461 | If this command is repeated, it marks the next ARG sentences after the | |
462 | ones already marked." | |
a2535589 JA |
463 | (interactive "p") |
464 | (push-mark | |
cad113ae KG |
465 | (save-excursion |
466 | (if (and (eq last-command this-command) (mark t)) | |
467 | (goto-char (mark))) | |
468 | (forward-sentence arg) | |
469 | (point)) | |
470 | nil t)) | |
a2535589 JA |
471 | |
472 | (defun transpose-sentences (arg) | |
473 | "Interchange this (next) and previous sentence." | |
474 | (interactive "*p") | |
475 | (transpose-subr 'forward-sentence arg)) | |
6594deb0 | 476 | |
cc4fe8d2 KH |
477 | ;;; Local Variables: |
478 | ;;; coding: iso-2022-7bit | |
479 | ;;; End: | |
480 | ||
ab5796a9 | 481 | ;;; arch-tag: e727eb1a-527a-4464-b9d7-9d3ec0d1a575 |
6594deb0 | 482 | ;;; paragraphs.el ends here |