all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
blob ee5780e3f2ecf049e195abf1a8d10374b8b2436f 70837 bytes (raw)
name: lisp/gnus/gnus-msg.el 	 # note: path name is non-authoritative(*)

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
 
;;; gnus-msg.el --- mail and post interface for Gnus

;; Copyright (C) 1995-2019 Free Software Foundation, Inc.

;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;;	Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news

;; This file is part of GNU Emacs.

;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;;; Code:

(eval-when-compile (require 'cl-lib))

(require 'gnus)
(require 'message)
(require 'gnus-art)
(require 'gnus-util)

(defcustom gnus-post-method 'current
  "Preferred method for posting USENET news.

If this variable is `current' (which is the default), Gnus will use
the \"current\" select method when posting.  If it is `native', Gnus
will use the native select method when posting.

This method will not be used in mail groups and the like, only in
\"real\" newsgroups.

If not `native' nor `current', the value must be a valid method as discussed
in the documentation of `gnus-select-method'.  It can also be a list of
methods.  If that is the case, the user will be queried for what select
method to use when posting."
  :group 'gnus-group-foreign
  :link '(custom-manual "(gnus)Posting Server")
  :type `(choice (const native)
		 (const current)
		 (sexp :tag "Methods" ,gnus-select-method)))

(defcustom gnus-outgoing-message-group nil
  "All outgoing messages will be put in this group.
If you want to store all your outgoing mail and articles in the group
\"nnml:archive\", you set this variable to that value.  This variable
can also be a list of group names.

If you want to have greater control over what group to put each
message in, you can set this variable to a function that checks the
current newsgroup name and then returns a suitable group name (or list
of names)."
  :group 'gnus-message
  :type '(choice (const nil)
		 (function)
		 (string :tag "Group")
		 (repeat :tag "List of groups" (string :tag "Group"))))

(make-obsolete-variable 'gnus-outgoing-message-group 'gnus-message-archive-group "24.1")

(defcustom gnus-mailing-list-groups nil
  "If non-nil a regexp matching groups that are really mailing lists.
This is useful when you're reading a mailing list that has been
gatewayed to a newsgroup, and you want to followup to an article in
the group."
  :group 'gnus-message
  :type '(choice (regexp)
		 (const nil)))

(defcustom gnus-add-to-list nil
  "If non-nil, add a `to-list' parameter automatically."
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-crosspost-complaint
  "Hi,

You posted the article below with the following Newsgroups header:

Newsgroups: %s

The %s group, at least, was an inappropriate recipient
of this message.  Please trim your Newsgroups header to exclude this
group before posting in the future.

Thank you.

"
  "Format string to be inserted when complaining about crossposts.
The first %s will be replaced by the Newsgroups header;
the second with the current group name."
  :group 'gnus-message
  :type 'string)

(defcustom gnus-message-setup-hook nil
  "Hook run after setting up a message buffer."
  :group 'gnus-message
  :options '(message-remove-blank-cited-lines)
  :type 'hook)

(defcustom gnus-posting-styles nil
  "Alist of styles to use when posting.
See Info node `(gnus)Posting Styles'."
  :group 'gnus-message
  :link '(custom-manual "(gnus)Posting Styles")
  :type '(repeat (cons (choice (regexp)
			       (variable)
			       (list (const header)
				     (string :tag "Header")
				     (regexp :tag "Regexp"))
			       (function)
			       (sexp))
		       (repeat (list
				(choice (const signature)
					(const signature-file)
					(const organization)
					(const address)
					(const x-face-file)
					(const name)
					(const body)
					(symbol)
					(string :tag "Header"))
				(choice (string)
					(function)
					(variable)
					(sexp)))))))

(defcustom gnus-gcc-mark-as-read nil
  "If non-nil, automatically mark Gcc articles as read."
  :version "22.1"
  :group 'gnus-message
  :type 'boolean)

(make-obsolete-variable 'gnus-inews-mark-gcc-as-read
			'gnus-gcc-mark-as-read "Emacs 22.1")

(defcustom gnus-gcc-externalize-attachments nil
  "Should local-file attachments be included as external parts in Gcc copies?
If it is `all', attach files as external parts;
if a regexp and matches the Gcc group name, attach files as external parts;
if nil, attach files as normal parts."
  :version "22.1"
  :group 'gnus-message
  :type '(choice (const :tag "None" nil)
                 (const :tag "Any"  all)
                 regexp))

(defcustom gnus-gcc-self-resent-messages 'no-gcc-self
  "Like `gcc-self' group parameter, only for unmodified resent messages.
Applied to messages sent by `gnus-summary-resend-message'.  Non-nil
value of this variable takes precedence over any existing Gcc header.

If this is `none', no Gcc copy will be made.  If this is t, messages
resent will be Gcc'd to the current group.  If this is a string, it
specifies a group to which resent messages will be Gcc'd.  If this is
nil, Gcc will be done according to existing Gcc header(s), if any.
If this is `no-gcc-self', resent messages will be Gcc'd to groups that
existing Gcc header specifies, except for the current group."
  :version "24.3"
  :group 'gnus-message
  :type '(choice (const none) (const t) string (const nil)
		 (const no-gcc-self)))

(gnus-define-group-parameter
 posting-charset-alist
 :type list
 :function-document
 "Return the permitted unencoded charsets for posting of GROUP."
 :variable gnus-group-posting-charset-alist
 :variable-default
  '(("^\\(no\\|fr\\)\\.[^,]*\\(,[ \t\n]*\\(no\\|fr\\)\\.[^,]*\\)*$" iso-8859-1 (iso-8859-1))
    ("^\\(fido7\\|relcom\\)\\.[^,]*\\(,[ \t\n]*\\(fido7\\|relcom\\)\\.[^,]*\\)*$" koi8-r (koi8-r))
    (message-this-is-mail nil nil)
    (message-this-is-news nil t))
 :variable-document
  "Alist of regexps and permitted unencoded charsets for posting.
Each element of the alist has the form (TEST HEADER BODY-LIST), where
TEST is either a regular expression matching the newsgroup header or a
variable to query,
HEADER is the charset which may be left unencoded in the header (nil
means encode all charsets),
BODY-LIST is a list of charsets which may be encoded using 8bit
content-transfer encoding in the body, or one of the special values
nil (always encode using quoted-printable) or t (always use 8bit).

Note that any value other than nil for HEADER infringes some RFCs, so
use this option with care."
 :variable-group gnus-charset
 :variable-type
 '(repeat (list :tag "Permitted unencoded charsets"
		(choice :tag "Where"
			(regexp :tag "Group")
			(const :tag "Mail message" :value message-this-is-mail)
			(const :tag "News article" :value message-this-is-news))
		(choice :tag "Header"
			(const :tag "None" nil)
			(symbol :tag "Charset"))
		(choice :tag "Body"
			(const :tag "Any" :value t)
			(const :tag "None" :value nil)
			(repeat :tag "Charsets"
				(symbol :tag "Charset")))))
 :parameter-type '(choice :tag "Permitted unencoded charsets"
			  :value nil
			  (repeat (symbol)))
 :parameter-document       "\
List of charsets that are permitted to be unencoded.")

(defcustom gnus-debug-files
  '("gnus.el" "gnus-sum.el" "gnus-group.el"
    "gnus-art.el" "gnus-start.el" "gnus-async.el"
    "gnus-msg.el" "gnus-score.el" "gnus-win.el" "gnus-topic.el"
    "gnus-agent.el" "gnus-cache.el" "gnus-srvr.el"
    "mm-util.el" "mm-decode.el" "nnmail.el" "message.el")
  "Files whose variables will be reported in `gnus-bug'."
  :version "22.1"
  :group 'gnus-message
  :type '(repeat file))

(make-obsolete-variable 'gnus-debug-files "it is no longer used." "24.1")

(defcustom gnus-debug-exclude-variables
  '(mm-mime-mule-charset-alist
    nnmail-split-fancy message-minibuffer-local-map)
  "Variables that should not be reported in `gnus-bug'."
  :version "22.1"
  :group 'gnus-message
  :type '(repeat variable))

(make-obsolete-variable
 'gnus-debug-exclude-variables "it is no longer used." "24.1")

(defcustom gnus-discouraged-post-methods
  '(nndraft nnml nnimap nnmaildir nnmh nnfolder nndir)
  "A list of back ends that are not used in \"real\" newsgroups.
This variable is used only when `gnus-post-method' is `current'."
  :version "22.1"
  :group 'gnus-group-foreign
  :type '(repeat (symbol :tag "Back end")))

(defcustom gnus-message-replysign
  nil
  "Automatically sign replies to signed messages.
See also the `mml-default-sign-method' variable."
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-message-replyencrypt t
  "Automatically encrypt replies to encrypted messages.
See also the `mml-default-encrypt-method' variable."
  :version "24.1"
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-message-replysignencrypted
  t
  "Setting this causes automatically encrypted messages to also be signed."
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-confirm-mail-reply-to-news (and gnus-novice-user
						(not gnus-expert-user))
  "If non-nil, Gnus requests confirmation when replying to news.
This is done because new users often reply by mistake when reading
news.
This can also be a function receiving the group name as the only
parameter, which should return non-nil if a confirmation is needed; or
a regexp, in which case a confirmation is asked for if the group name
matches the regexp."
  :version "23.1" ;; No Gnus (default changed)
  :group 'gnus-message
  :type '(choice (const :tag "No" nil)
		 (const :tag "Yes" t)
		 (regexp :tag "If group matches regexp")
		 (function :tag "If function evaluates to non-nil")))

(defcustom gnus-confirm-treat-mail-like-news
  nil
  "If non-nil, Gnus will treat mail like news with regard to confirmation
when replying by mail.  See the `gnus-confirm-mail-reply-to-news' variable
for fine-tuning this.
If nil, Gnus will never ask for confirmation if replying to mail."
  :version "22.1"
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-summary-resend-default-address t
  "If non-nil, Gnus tries to suggest a default address to resend to.
If nil, the address field will always be empty after invoking
`gnus-summary-resend-message'."
  :version "22.1"
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-message-highlight-citation
  t ;; gnus-treat-highlight-citation ;; gnus-cite dependency
  "Enable highlighting of different citation levels in message-mode."
  :version "23.1" ;; No Gnus
  :group 'gnus-cite
  :group 'gnus-message
  :type 'boolean)

(defcustom gnus-gcc-pre-body-encode-hook nil
  "A hook called before encoding the body of the Gcc copy of a message.
The current buffer (when the hook is run) contains the message
including the message header.  Changes made to the message will
only affect the Gcc copy, but not the original message."
  :group 'gnus-message
  :version "24.3"
  :type 'hook)

(defcustom gnus-gcc-post-body-encode-hook nil
    "A hook called after encoding the body of the Gcc copy of a message.
The current buffer (when the hook is run) contains the message
including the message header.  Changes made to the message will
only affect the Gcc copy, but not the original message."
  :group 'gnus-message
  :version "24.3"
  :type 'hook)

(autoload 'gnus-message-citation-mode "gnus-cite" nil t)

;;; Internal variables.

(defvar gnus-inhibit-posting-styles nil
  "Inhibit the use of posting styles.")

(defvar gnus-article-yanked-articles nil)
(defvar gnus-message-buffer "*Mail Gnus*")
(defvar gnus-article-copy nil)
(defvar gnus-last-posting-server nil)
(defvar gnus-message-group-art nil)

(defvar gnus-msg-force-broken-reply-to nil)

(autoload 'gnus-uu-post-news "gnus-uu" nil t)

\f
;;;
;;; Gnus Posting Functions
;;;

(gnus-define-keys (gnus-summary-send-map "S" gnus-summary-mode-map)
  "p" gnus-summary-post-news
  "i" gnus-summary-news-other-window
  "f" gnus-summary-followup
  "F" gnus-summary-followup-with-original
  "c" gnus-summary-cancel-article
  "s" gnus-summary-supersede-article
  "r" gnus-summary-reply
  "y" gnus-summary-yank-message
  "R" gnus-summary-reply-with-original
  "L" gnus-summary-reply-to-list-with-original
  "w" gnus-summary-wide-reply
  "W" gnus-summary-wide-reply-with-original
  "v" gnus-summary-very-wide-reply
  "V" gnus-summary-very-wide-reply-with-original
  "n" gnus-summary-followup-to-mail
  "N" gnus-summary-followup-to-mail-with-original
  "m" gnus-summary-mail-other-window
  "u" gnus-uu-post-news
  "A" gnus-summary-attach-article
  "\M-c" gnus-summary-mail-crosspost-complaint
  "Br" gnus-summary-reply-broken-reply-to
  "BR" gnus-summary-reply-broken-reply-to-with-original
  "om" gnus-summary-mail-forward
  "op" gnus-summary-post-forward
  "Om" gnus-uu-digest-mail-forward
  "Op" gnus-uu-digest-post-forward)

(gnus-define-keys (gnus-send-bounce-map "D" gnus-summary-send-map)
  "b" gnus-summary-resend-bounced-mail
  ;; "c" gnus-summary-send-draft
  "r" gnus-summary-resend-message
  "e" gnus-summary-resend-message-edit)

;;; Internal functions.

(defun gnus-inews-make-draft (articles)
  `(lambda ()
     (gnus-inews-make-draft-meta-information
      ,gnus-newsgroup-name ',articles)))

(autoload 'nnir-article-number "nnir" nil nil 'macro)
(autoload 'nnir-article-group "nnir" nil nil 'macro)
(autoload 'gnus-nnir-group-p "nnir")


(defvar gnus-article-reply nil)
(defmacro gnus-setup-message (config &rest forms)
  (let ((winconf (make-symbol "gnus-setup-message-winconf"))
	(winconf-name (make-symbol "gnus-setup-message-winconf-name"))
	(buffer (make-symbol "gnus-setup-message-buffer"))
	(article (make-symbol "gnus-setup-message-article"))
	(yanked (make-symbol "gnus-setup-yanked-articles"))
	(group (make-symbol "gnus-setup-message-group")))
    `(let ((,winconf (current-window-configuration))
	   (,winconf-name gnus-current-window-configuration)
	   (,buffer (buffer-name (current-buffer)))
	   (,article (if (and (gnus-nnir-group-p gnus-newsgroup-name)
			      gnus-article-reply)
			 (nnir-article-number (or (car-safe gnus-article-reply)
						  gnus-article-reply))
		       gnus-article-reply))
	   (,yanked gnus-article-yanked-articles)
	   (,group (if (and (gnus-nnir-group-p gnus-newsgroup-name)
			    gnus-article-reply)
		       (nnir-article-group (or (car-safe gnus-article-reply)
					       gnus-article-reply))
		     gnus-newsgroup-name))
	   (message-header-setup-hook
	    (copy-sequence message-header-setup-hook))
	   (mbl mml-buffer-list)
	   (message-mode-hook (copy-sequence message-mode-hook)))
       (setq mml-buffer-list nil)
       (add-hook 'message-header-setup-hook (lambda ()
					      (gnus-inews-insert-gcc ,group)))
       ;; message-newsreader and message-mailer were formerly set in
       ;; gnus-inews-add-send-actions, but this is too late when
       ;; message-generate-headers-first is used. --ansel
       (add-hook 'message-mode-hook
		 (lambda nil
		   (setq message-newsreader
			 (setq message-mailer (gnus-extended-version)))))
       ;; #### FIXME: for a reason that I did not manage to identify yet,
       ;; the variable `gnus-newsgroup-name' does not honor a dynamically
       ;; scoped or setq'ed value from a caller like `C-u gnus-summary-mail'.
       ;; After evaluation of @forms below, it gets the value we actually want
       ;; to override, and the posting styles are used. For that reason, I've
       ;; added an optional argument to `gnus-configure-posting-styles' to
       ;; make sure that the correct value for the group name is used. -- drv
       (add-hook 'message-mode-hook
		 (if (memq ,config '(reply-yank reply))
		     (lambda ()
		       (gnus-configure-posting-styles ,group))
		   (lambda ()
		     ;; There may be an old " *gnus article copy*" buffer.
		     (let (gnus-article-copy)
		       (gnus-configure-posting-styles ,group)))))
       (gnus-alist-pull ',(intern gnus-draft-meta-information-header)
		  message-required-headers)
       (when (and ,group
		  (not (string= ,group "")))
	 (push (cons
		(intern gnus-draft-meta-information-header)
		(gnus-inews-make-draft (or ,yanked ,article)))
	       message-required-headers))
       (unwind-protect
	   (progn
	     ,@forms)
	 (gnus-inews-add-send-actions ,winconf ,buffer ,article ,config
				      ,yanked ,winconf-name)
	 (setq gnus-message-buffer (current-buffer))
	 (set (make-local-variable 'gnus-message-group-art)
	      (cons ,group ,article))
	 (set (make-local-variable 'gnus-newsgroup-name) ,group)
	 ;; Enable highlighting of different citation levels
	 (when gnus-message-highlight-citation
	   (gnus-message-citation-mode 1))
	 (gnus-run-hooks 'gnus-message-setup-hook)
	 (if (eq major-mode 'message-mode)
	     (let ((mbl1 mml-buffer-list))
	       (setq mml-buffer-list mbl)  ;; Global value
	       (set (make-local-variable 'mml-buffer-list) mbl1);; Local value
	       (add-hook 'change-major-mode-hook 'mml-destroy-buffers nil t)
	       (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))
	   (mml-destroy-buffers)
	   (setq mml-buffer-list mbl)))
       (message-hide-headers)
       (gnus-add-buffer)
       (gnus-configure-windows ,config t)
       (run-hooks 'post-command-hook)
       (set-buffer-modified-p nil))))

(defun gnus-inews-make-draft-meta-information (group articles)
  (when (numberp articles)
    (setq articles (list articles)))
  (concat "(\"" group "\""
	  (if articles
	      (concat " "
		      (mapconcat
		       (lambda (elem)
			 (number-to-string
			  (if (consp elem)
			      (car elem)
			    elem)))
		       articles " "))
	    "")
	  ")"))

;;;###autoload
(defun gnus-msg-mail (&optional to subject other-headers continue
				switch-action yank-action send-actions
				return-action)
  "Start editing a mail message to be sent.
Like `message-mail', but with Gnus paraphernalia, particularly the
Gcc: header for archiving purposes.
If Gnus isn't running, a plain `message-mail' setup is used
instead."
  (interactive)
  (if (not (gnus-alive-p))
      (progn
	(message "Gnus not running; using plain Message mode")
	(message-mail to subject other-headers continue
                      switch-action yank-action send-actions return-action))
    (let ((buf (current-buffer))
	  ;; Don't use posting styles corresponding to any existing group.
	  (group-name gnus-newsgroup-name)
	  mail-buf)
      (unwind-protect
	  (progn
	    (setq gnus-newsgroup-name "")
	    (gnus-setup-message 'message
	      (message-mail to subject other-headers continue
			    nil yank-action send-actions return-action)))
	(with-current-buffer buf
	  (setq gnus-newsgroup-name group-name)))
      (when switch-action
	(setq mail-buf (current-buffer))
	(switch-to-buffer buf)
	(apply switch-action mail-buf nil))
      ;; COMPOSEFUNC should return t if succeed.  Undocumented ???
      t)))

;;;###autoload
(defun gnus-button-mailto (address)
  "Mail to ADDRESS."
  (set-buffer (gnus-copy-article-buffer))
  (gnus-setup-message 'message
    (message-reply address)))

;;;###autoload
(defun gnus-button-reply (&optional to-address wide)
  "Like `message-reply'."
  (interactive)
  (gnus-setup-message 'message
    (message-reply to-address wide)))

;;;###autoload
(define-mail-user-agent 'gnus-user-agent
  'gnus-msg-mail 'message-send-and-exit
  'message-kill-buffer 'message-send-hook)

(defun gnus-setup-posting-charset (group)
  (let ((alist gnus-group-posting-charset-alist)
	(group (or group ""))
	elem)
    (when group
      (catch 'found
	(while (setq elem (pop alist))
	  (when (or (and (stringp (car elem))
			 (string-match (car elem) group))
		    (and (functionp (car elem))
			 (funcall (car elem) group))
		    (and (symbolp (car elem))
			 (symbol-value (car elem))))
	    (throw 'found (cons (cadr elem) (caddr elem)))))))))

(defun gnus-inews-add-send-actions (winconf buffer article
					    &optional config yanked
					    winconf-name)
  (add-hook 'message-sent-hook (if gnus-agent 'gnus-agent-possibly-do-gcc
				 'gnus-inews-do-gcc) nil t)
  (when gnus-agent
    (add-hook 'message-header-hook 'gnus-agent-possibly-save-gcc nil t))
  (setq message-post-method
	`(lambda (&optional arg)
	   (gnus-post-method arg ,gnus-newsgroup-name)))
  (message-add-action
   `(progn
      (setq gnus-current-window-configuration ',winconf-name)
      (when (gnus-buffer-live-p ,buffer)
	(set-window-configuration ,winconf)))
   'exit 'postpone 'kill)
  (let ((to-be-marked (cond
		       (yanked
			(mapcar
			 (lambda (x) (if (listp x) (car x) x)) yanked))
		       (article (if (listp article) article (list article)))
		       (t nil))))
    (message-add-action
     `(when (gnus-buffer-live-p ,buffer)
	(with-current-buffer ,buffer
	  ,(when to-be-marked
	     (if (eq config 'forward)
		 `(gnus-summary-mark-article-as-forwarded ',to-be-marked)
	       `(gnus-summary-mark-article-as-replied ',to-be-marked)))))
     'send)))

(put 'gnus-setup-message 'lisp-indent-function 1)
(put 'gnus-setup-message 'edebug-form-spec '(form body))

;;; Post news commands of Gnus group mode and summary mode

(defun gnus-group-mail (&optional arg)
  "Start composing a mail.
If ARG, use the group under the point to find a posting style.
If ARG is 1, prompt for a group name to find the posting style."
  (interactive "P")
  ;; We can't `let' gnus-newsgroup-name here, since that leads
  ;; to local variables leaking.
  (let ((group gnus-newsgroup-name)
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy)
	(buffer (current-buffer)))
    (unwind-protect
	(progn
	  (setq gnus-newsgroup-name
		(if arg
		    (if (= 1 (prefix-numeric-value arg))
			(gnus-group-completing-read
			 "Use posting style of group"
			 nil (gnus-read-active-file-p))
		      (gnus-group-group-name))
		  ""))
	  ;; #### see comment in gnus-setup-message -- drv
	  (gnus-setup-message 'message (message-mail)))
      (with-current-buffer buffer
	(setq gnus-newsgroup-name group)))))

(defun gnus-group-news (&optional arg)
  "Start composing a news.
If ARG, post to group under point.
If ARG is 1, prompt for group name to post to.

This function prepares a news even when using mail groups.  This is useful
for posting messages to mail groups without actually sending them over the
network.  The corresponding back end must have a 'request-post method."
  (interactive "P")
  ;; We can't `let' gnus-newsgroup-name here, since that leads
  ;; to local variables leaking.
  (let ((group gnus-newsgroup-name)
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy)
	(buffer (current-buffer)))
    (unwind-protect
	(progn
	  (setq gnus-newsgroup-name
		(if arg
		    (if (= 1 (prefix-numeric-value arg))
			(gnus-group-completing-read "Use group"
						    nil
						    (gnus-read-active-file-p))
		      (gnus-group-group-name))
		  ""))
	  ;; #### see comment in gnus-setup-message -- drv
	  (gnus-setup-message 'message
	    (message-news (gnus-group-real-name gnus-newsgroup-name))))
      (with-current-buffer buffer
	(setq gnus-newsgroup-name group)))))

(defun gnus-group-post-news (&optional arg)
  "Start composing a message (a news by default).
If ARG, post to group under point.  If ARG is 1, prompt for group name.
Depending on the selected group, the message might be either a mail or
a news."
  (interactive "P")
  ;; Bind this variable here to make message mode hooks work ok.
  (let ((gnus-newsgroup-name
	 (if arg
	     (if (= 1 (prefix-numeric-value arg))
		 (gnus-group-completing-read "Newsgroup" nil
					     (gnus-read-active-file-p))
	       (or (gnus-group-group-name) ""))
	   ""))
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy))
    (gnus-post-news 'post gnus-newsgroup-name nil nil nil nil
		    (string= gnus-newsgroup-name ""))))

(defun gnus-summary-mail-other-window (&optional arg)
  "Start composing a mail in another window.
Use the posting of the current group by default.
If ARG, don't do that.  If ARG is 1, prompt for group name to find the
posting style."
  (interactive "P")
  ;; We can't `let' gnus-newsgroup-name here, since that leads
  ;; to local variables leaking.
  (let ((group gnus-newsgroup-name)
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy)
	(buffer (current-buffer)))
    (unwind-protect
	(progn
	  (setq gnus-newsgroup-name
		(if arg
		    (if (= 1 (prefix-numeric-value arg))
			(gnus-group-completing-read "Use group"
						    nil
						    (gnus-read-active-file-p))
		      "")
		  gnus-newsgroup-name))
	  ;; #### see comment in gnus-setup-message -- drv
	  (gnus-setup-message 'message (message-mail)))
      (with-current-buffer buffer
	(setq gnus-newsgroup-name group)))))

(defun gnus-summary-news-other-window (&optional arg)
  "Start composing a news in another window.
Post to the current group by default.
If ARG, don't do that.  If ARG is 1, prompt for group name to post to.

This function prepares a news even when using mail groups.  This is useful
for posting messages to mail groups without actually sending them over the
network.  The corresponding back end must have a 'request-post method."
  (interactive "P")
  ;; We can't `let' gnus-newsgroup-name here, since that leads
  ;; to local variables leaking.
  (let ((group gnus-newsgroup-name)
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy)
	(buffer (current-buffer)))
    (unwind-protect
	(progn
	  (setq gnus-newsgroup-name
		(if arg
		    (if (= 1 (prefix-numeric-value arg))
			(gnus-group-completing-read "Use group"
						    nil
						    (gnus-read-active-file-p))
		      "")
		  gnus-newsgroup-name))
	  ;; #### see comment in gnus-setup-message -- drv
	  (gnus-setup-message 'message
	    (progn
	      (message-news (gnus-group-real-name gnus-newsgroup-name))
	      (set (make-local-variable 'gnus-discouraged-post-methods)
		   (remove
		    (car (gnus-find-method-for-group gnus-newsgroup-name))
		    gnus-discouraged-post-methods)))))
      (with-current-buffer buffer
	(setq gnus-newsgroup-name group)))))

(defun gnus-summary-post-news (&optional arg)
  "Start composing a message.  Post to the current group by default.
If ARG, don't do that.  If ARG is 1, prompt for a group name to post to.
Depending on the selected group, the message might be either a mail or
a news."
  (interactive "P")
  ;; Bind this variable here to make message mode hooks work ok.
  (let ((gnus-newsgroup-name
	 (if arg
	     (if (= 1 (prefix-numeric-value arg))
		 (gnus-group-completing-read "Newsgroup" nil
					     (gnus-read-active-file-p))
	       "")
	   gnus-newsgroup-name))
	;; make sure last viewed article doesn't affect posting styles:
	(gnus-article-copy))
    (gnus-post-news 'post gnus-newsgroup-name)))


(defun gnus-summary-followup (yank &optional force-news)
  "Compose a followup to an article.
If prefix argument YANK is non-nil, the original article is yanked
automatically.
YANK is a list of elements, where the car of each element is the
article number, and the cdr is the string to be yanked."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  (when yank
    (gnus-summary-goto-subject
     (if (listp (car yank))
	 (caar yank)
       (car yank))))
  (save-window-excursion
    (gnus-summary-select-article))
  (let ((headers (gnus-summary-article-header (gnus-summary-article-number)))
	(gnus-newsgroup-name gnus-newsgroup-name))
    ;; Send a followup.
    (gnus-post-news nil gnus-newsgroup-name
		    headers gnus-article-buffer
		    yank nil force-news)
    (gnus-summary-handle-replysign)))

(defun gnus-summary-followup-with-original (n &optional force-news)
  "Compose a followup to an article and include the original article.
The text in the region will be yanked.  If the region isn't
active, the entire article will be yanked."
  (interactive "P")
  (gnus-summary-followup (gnus-summary-work-articles n) force-news))

(defun gnus-summary-followup-to-mail (&optional arg)
  "Followup to the current mail message via news."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  (gnus-summary-followup arg t))

(defun gnus-summary-followup-to-mail-with-original (&optional arg)
  "Followup to the current mail message via news."
  (interactive "P")
  (gnus-summary-followup (gnus-summary-work-articles arg) t))

(defun gnus-inews-yank-articles (articles)
  (let (beg article yank-string)
    (message-goto-body)
    (while (setq article (pop articles))
      (when (listp article)
	(setq yank-string (nth 1 article)
	      article (nth 0 article)))
      (save-window-excursion
	(set-buffer gnus-summary-buffer)
	(gnus-summary-select-article nil nil nil article)
	(gnus-summary-remove-process-mark article))
      (gnus-copy-article-buffer nil yank-string)
      (let ((message-reply-buffer gnus-article-copy)
	    (message-reply-headers
	     ;; The headers are decoded.
	     (with-current-buffer gnus-article-copy
	       (save-restriction
		 (nnheader-narrow-to-headers)
		 (nnheader-parse-naked-head)))))
	(message-yank-original)
	(message-exchange-point-and-mark)
	(setq beg (or beg (mark t))))
      (when articles
	(insert "\n")))
    (push-mark)
    (goto-char beg)))

(defun gnus-summary-cancel-article (&optional n symp)
  "Cancel an article you posted.
Uses the process-prefix convention.  If given the symbolic
prefix `a', cancel using the standard posting method; if not
post using the current select method."
  (interactive (gnus-interactive "P\ny"))
  (let ((message-post-method
	 `(lambda (arg)
	    (gnus-post-method (eq ',symp 'a) ,gnus-newsgroup-name)))
	(custom-address user-mail-address))
    (dolist (article (gnus-summary-work-articles n))
      (when (gnus-summary-select-article t nil nil article)
	;; Pretend that we're doing a followup so that we can see what
	;; the From header would have ended up being.
	(save-window-excursion
	  (save-excursion
	    (gnus-summary-followup nil)
	    (let ((from (message-fetch-field "from")))
	      (when from
		(setq custom-address
		      (car (mail-header-parse-address from)))))
	    (kill-buffer (current-buffer))))
	;; Now cancel the article using the From header we got.
	(when (gnus-eval-in-buffer-window gnus-original-article-buffer
		(let ((user-mail-address (or custom-address user-mail-address)))
		  (message-cancel-news)))
	  (gnus-summary-mark-as-read article gnus-canceled-mark)
	  (gnus-cache-remove-article 1))
	(gnus-article-hide-headers-if-wanted))
      (gnus-summary-remove-process-mark article))))

(defun gnus-summary-supersede-article ()
  "Compose an article that will supersede a previous article.
This is done simply by taking the old article and adding a Supersedes
header line with the old Message-ID."
  (interactive)
  (let ((article (gnus-summary-article-number))
	(mail-parse-charset gnus-newsgroup-charset))
    (gnus-setup-message 'reply-yank
      (gnus-summary-select-article t)
      (set-buffer gnus-original-article-buffer)
      (message-supersede)
      (push
       `((lambda ()
           (when (gnus-buffer-live-p ,gnus-summary-buffer)
	     (with-current-buffer ,gnus-summary-buffer
	       (gnus-cache-possibly-remove-article ,article nil nil nil t)
	       (gnus-summary-mark-as-read ,article gnus-canceled-mark)))))
       message-send-actions)
      ;; Add Gcc header.
      (gnus-inews-insert-gcc))))

\f

(defun gnus-copy-article-buffer (&optional article-buffer yank-string)
  ;; make a copy of the article buffer with all text properties removed
  ;; this copy is in the buffer gnus-article-copy.
  ;; if ARTICLE-BUFFER is nil, gnus-article-buffer is used
  ;; this buffer should be passed to all mail/news reply/post routines.
  (setq gnus-article-copy (gnus-get-buffer-create " *gnus article copy*"))
  (with-current-buffer gnus-article-copy
    (mm-enable-multibyte))
  (let ((article-buffer (or article-buffer gnus-article-buffer))
	end beg)
    (if (not (gnus-buffer-live-p article-buffer))
	(error "Can't find any article buffer")
      (with-current-buffer article-buffer
	(let ((gnus-newsgroup-charset (or gnus-article-charset
					  gnus-newsgroup-charset))
	      (inhibit-read-only t)
	      (gnus-newsgroup-ignored-charsets
	       (or gnus-article-ignored-charsets
		   gnus-newsgroup-ignored-charsets)))
	  (save-restriction
	    ;; Copy over the (displayed) article buffer, delete
	    ;; hidden text and remove text properties.
	    (widen)
	    (copy-to-buffer gnus-article-copy (point-min) (point-max))
	    (set-buffer gnus-article-copy)
	    (when yank-string
	      (message-goto-body)
	      (delete-region (point) (point-max))
	      (insert yank-string))
	    (gnus-article-delete-text-of-type 'annotation)
	    (gnus-article-delete-text-of-type 'multipart)
	    (gnus-remove-text-with-property 'gnus-prev)
	    (gnus-remove-text-with-property 'gnus-next)
	    (gnus-remove-text-with-property 'gnus-decoration)
	    (insert
	     (prog1
		 (buffer-substring-no-properties (point-min) (point-max))
	       (erase-buffer)))
	    ;; Find the original headers.
	    (set-buffer gnus-original-article-buffer)
	    (goto-char (point-min))
	    (while (looking-at message-unix-mail-delimiter)
	      (forward-line 1))
	    (let ((mail-header-separator ""))
	      (setq beg (point)
		    end (or (message-goto-body)
			    ;; There may be just a header.
			    (point-max))))
	    ;; Delete the headers from the displayed articles.
	    (set-buffer gnus-article-copy)
	    (let ((mail-header-separator ""))
	      (delete-region (goto-char (point-min))
			     (or (message-goto-body) (point-max))))
	    ;; Insert the original article headers.
	    (insert-buffer-substring gnus-original-article-buffer beg end)
	    ;; Decode charsets.
	    (let ((gnus-article-decode-hook
		   (delq 'article-decode-charset
			 (copy-sequence gnus-article-decode-hook)))
		  (rfc2047-quote-decoded-words-containing-tspecials t))
	      (run-hooks 'gnus-article-decode-hook)))))
      gnus-article-copy)))

(defun gnus-post-news (post &optional group header article-buffer yank subject
			    force-news)
  (when article-buffer
    (gnus-copy-article-buffer))
  (let ((gnus-article-reply (and article-buffer (gnus-summary-article-number)))
	(gnus-article-yanked-articles yank)
	(add-to-list gnus-add-to-list))
    (gnus-setup-message (cond (yank 'reply-yank)
			      (article-buffer 'reply)
			      (t 'message))
      (let* ((group (or group gnus-newsgroup-name))
	     (charset (gnus-group-name-charset nil group))
	     (pgroup group)
	     to-address to-group mailing-list to-list
	     newsgroup-p)
	(when group
	  (setq to-address (gnus-parameter-to-address group)
		to-group (gnus-group-find-parameter group 'to-group)
		to-list (gnus-parameter-to-list group)
		newsgroup-p (gnus-group-find-parameter group 'newsgroup)
		mailing-list (when gnus-mailing-list-groups
			       (string-match gnus-mailing-list-groups group))
		group (gnus-group-name-decode (gnus-group-real-name group)
					      charset)))
	(if (or (and to-group
		     (gnus-news-group-p to-group))
		newsgroup-p
		force-news
		(and (gnus-news-group-p
		      (or pgroup gnus-newsgroup-name)
		      (or header gnus-current-article))
		     (not mailing-list)
		     (not to-list)
		     (not to-address)))
	    ;; This is news.
	    (if post
		(message-news
		 (or to-group
		     (and (not (gnus-virtual-group-p pgroup)) group)))
	      (set-buffer gnus-article-copy)
	      (gnus-msg-treat-broken-reply-to)
	      (message-followup (if (or newsgroup-p force-news)
				    (if (save-restriction
					  (article-narrow-to-head)
					  (message-fetch-field "newsgroups"))
					nil
				      "")
				  to-group)))
	  ;; The is mail.
	  (if post
	      (progn
		(message-mail (or to-address to-list))
		;; Arrange for mail groups that have no `to-address' to
		;; get that when the user sends off the mail.
		(when (and (not to-list)
			   (not to-address)
			   add-to-list)
		  (push (list 'gnus-inews-add-to-address pgroup)
			message-send-actions)))
	    (set-buffer gnus-article-copy)
	    (gnus-msg-treat-broken-reply-to)
	    (message-wide-reply to-address)))
	(when yank
	  (gnus-inews-yank-articles yank))))))

(defun gnus-msg-treat-broken-reply-to (&optional force)
  "Remove the Reply-To header if broken-reply-to."
  (when (or force
	    (gnus-group-find-parameter
	     gnus-newsgroup-name 'broken-reply-to))
    (save-restriction
      (message-narrow-to-head)
      (message-remove-header "reply-to"))))

(defun gnus-post-method (arg group &optional silent)
  "Return the posting method based on GROUP and ARG.
If SILENT, don't prompt the user."
  (let ((gnus-post-method (or (gnus-parameter-post-method group)
			      gnus-post-method))
	(group-method (gnus-find-method-for-group group)))
    (cond
     ;; If the group-method is nil (which shouldn't happen) we use
     ;; the default method.
     ((null group-method)
      (or (and (listp gnus-post-method)	;If not current/native/nil
	       (not (listp (car gnus-post-method))) ; and not a list of methods
	       gnus-post-method)	;then use it.
	  gnus-select-method
	  message-post-method))
     ;; We want the inverse of the default
     ((and arg (not (eq arg 0)))
      (if (eq gnus-post-method 'current)
	  gnus-select-method
	group-method))
     ;; We query the user for a post method.
     ((or arg
	  (and (listp gnus-post-method)
	       (listp (car gnus-post-method))))
      (let* ((methods
	      ;; Collect all methods we know about.
	      (append
	       (when (listp gnus-post-method)
		 (if (listp (car gnus-post-method))
		     gnus-post-method
		   (list gnus-post-method)))
	       gnus-select-methods
	       (mapcar 'cdr gnus-server-alist)
	       (mapcar 'car gnus-opened-servers)
	       (list group-method)))
	     method-alist post-methods method)
	;; Weed out all mail methods.
	(while methods
	  (setq method (gnus-server-get-method "" (pop methods)))
	  (when (and (or (gnus-method-option-p method 'post)
			 (gnus-method-option-p method 'post-mail))
		     (not (member method post-methods)))
	    (push method post-methods)))
	;; Create a name-method alist.
	(setq method-alist
	      (mapcar
	       (lambda (m)
		 (if (equal (cadr m) "")
		     (list (symbol-name (car m)) m)
		   (list (concat (cadr m) " (" (symbol-name (car m)) ")") m)))
	       post-methods))
	;; Query the user.
	(cadr
	 (assoc
	  (setq gnus-last-posting-server
		(if (and silent
			 gnus-last-posting-server)
		    ;; Just use the last value.
		    gnus-last-posting-server
		  (gnus-completing-read
		   "Posting method" (mapcar 'car method-alist) t
		   (cons (or gnus-last-posting-server "") 0))))
	  method-alist))))
     ;; Override normal method.
     ((and (eq gnus-post-method 'current)
	   (not (memq (car group-method) gnus-discouraged-post-methods))
	   (gnus-get-function group-method 'request-post t))
      (cl-assert (not arg))
      group-method)
     ;; Use gnus-post-method.
     ((listp gnus-post-method)		;A method...
      (cl-assert (not (listp (car gnus-post-method)))) ;... not a list of methods.
      gnus-post-method)
     ;; Use the normal select method (nil or native).
     (t gnus-select-method))))

\f

(defun gnus-extended-version ()
  "Stringified Gnus version and Emacs version.
See the variable `gnus-user-agent'."
  (interactive)
  (if (stringp gnus-user-agent)
      gnus-user-agent
    ;; `gnus-user-agent' is a list:
    (let* ((float-output-format nil)
	   (gnus-v
	    (when (memq 'gnus gnus-user-agent)
	      (concat "Gnus/"
		      (replace-regexp-in-string
		       "0+\\'" ""
		       (format "%1.8f" (gnus-continuum-version gnus-version)))
		      " (" gnus-version ")")))
	   (emacs-v (gnus-emacs-version)))
      (concat gnus-v (when (and gnus-v emacs-v) " ")
	      emacs-v))))

\f
;;;
;;; Gnus Mail Functions
;;;

;;; Mail reply commands of Gnus summary mode

(defun gnus-summary-reply (&optional yank wide very-wide)
  "Start composing a mail reply to the current message.
If prefix argument YANK is non-nil, the original article is yanked
automatically.
If WIDE, make a wide reply.
If VERY-WIDE, make a very wide reply."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  ;; Allow user to require confirmation before replying by mail to the
  ;; author of a news article (or mail message).
  (when (or (not (or (gnus-news-group-p gnus-newsgroup-name)
		     gnus-confirm-treat-mail-like-news))
	    (not (cond ((stringp gnus-confirm-mail-reply-to-news)
			(string-match gnus-confirm-mail-reply-to-news
				      gnus-newsgroup-name))
		       ((functionp gnus-confirm-mail-reply-to-news)
			(funcall gnus-confirm-mail-reply-to-news
				 gnus-newsgroup-name))
		       (t gnus-confirm-mail-reply-to-news)))
	    (if (or wide very-wide)
		t ;; Ignore gnus-confirm-mail-reply-to-news for wide and very
		  ;; wide replies.
	      (y-or-n-p "Really reply by mail to article author? ")))
    (let* ((article
	    (if (listp (car yank))
		(caar yank)
	      (car yank)))
	   (gnus-article-reply (or article (gnus-summary-article-number)))
	   (gnus-article-yanked-articles yank)
	   (headers ""))
      ;; Stripping headers should be specified with mail-yank-ignored-headers.
      (when yank
	(gnus-summary-goto-subject article))
      (gnus-setup-message (if yank 'reply-yank 'reply)
	(if (not very-wide)
	    (gnus-summary-select-article)
	  (dolist (article very-wide)
	    (gnus-summary-select-article nil nil nil article)
	    (with-current-buffer (gnus-copy-article-buffer)
	      (gnus-msg-treat-broken-reply-to)
	      (save-restriction
		(message-narrow-to-head)
		(setq headers (concat headers (buffer-string)))))))
	(set-buffer (gnus-copy-article-buffer))
	(gnus-msg-treat-broken-reply-to gnus-msg-force-broken-reply-to)
	(save-restriction
	  (message-narrow-to-head)
	  (when very-wide
	    (erase-buffer)
	    (insert headers))
	  (goto-char (point-max)))
	(mml-quote-region (point) (point-max))
	(message-reply nil wide)
	(when yank
	  (gnus-inews-yank-articles yank))
	(gnus-summary-handle-replysign)))))

(defun gnus-summary-handle-replysign ()
  "Check the various replysign variables and take action accordingly."
  (when (or gnus-message-replysign gnus-message-replyencrypt)
    (let (signed encrypted)
      (with-current-buffer gnus-article-buffer
	(setq signed (memq 'signed gnus-article-wash-types))
	(setq encrypted (memq 'encrypted gnus-article-wash-types)))
      (cond ((and gnus-message-replyencrypt encrypted)
	     (mml-secure-message mml-default-encrypt-method
				 (if gnus-message-replysignencrypted
				     'signencrypt
				   'encrypt)))
	    ((and gnus-message-replysign signed)
	     (mml-secure-message mml-default-sign-method 'sign))))))

(defun gnus-summary-reply-with-original (n &optional wide)
  "Start composing a reply mail to the current message.
The original article will be yanked."
  (interactive "P")
  (gnus-summary-reply (gnus-summary-work-articles n) wide))

(defun gnus-summary-reply-to-list-with-original (n &optional wide)
  "Start composing a reply mail to the current message.
The reply goes only to the mailing list.
The original article will be yanked."
  (interactive "P")
  (let ((message-reply-to-function
	 (lambda nil
	   `((To . ,(gnus-mailing-list-followup-to))))))
    (gnus-summary-reply (gnus-summary-work-articles n) wide)))

(defun gnus-summary-reply-broken-reply-to (&optional yank wide very-wide)
  "Like `gnus-summary-reply' except removing reply-to field.
If prefix argument YANK is non-nil, the original article is yanked
automatically.
If WIDE, make a wide reply.
If VERY-WIDE, make a very wide reply."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  (let ((gnus-msg-force-broken-reply-to t))
    (gnus-summary-reply yank wide very-wide)))

(defun gnus-summary-reply-broken-reply-to-with-original (n &optional wide)
  "Like `gnus-summary-reply-with-original' except removing reply-to field.
The original article will be yanked."
  (interactive "P")
  (gnus-summary-reply-broken-reply-to (gnus-summary-work-articles n) wide))

(defun gnus-summary-wide-reply (&optional yank)
  "Start composing a wide reply mail to the current message.
If prefix argument YANK is non-nil, the original article is yanked
automatically."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  (gnus-summary-reply yank t))

(defun gnus-summary-wide-reply-with-original (n)
  "Start composing a wide reply mail to the current message.
The original article(s) will be yanked.
Uses the process/prefix convention."
  (interactive "P")
  (gnus-summary-reply-with-original n t))

(defun gnus-summary-very-wide-reply (&optional yank)
  "Start composing a very wide reply mail to a set of messages.

Uses the process/prefix convention.

The reply will include all From/Cc headers from the original
messages as the To/Cc headers.

If prefix argument YANK is non-nil, the original article(s) will
be yanked automatically."
  (interactive
   (list (and current-prefix-arg
	      (gnus-summary-work-articles 1))))
  (gnus-summary-reply yank t (gnus-summary-work-articles yank)))

(defun gnus-summary-very-wide-reply-with-original (n)
  "Start composing a very wide reply mail a set of messages.

Uses the process/prefix convention.

The reply will include all From/Cc headers from the original
messages as the To/Cc headers.

The original article(s) will be yanked."
  (interactive "P")
  (gnus-summary-reply
   (gnus-summary-work-articles n) t (gnus-summary-work-articles n)))

(defun gnus-summary-mail-forward (&optional arg post)
  "Forward the current message(s) to another user.
If process marks exist, forward all marked messages;
if ARG is nil, see `message-forward-as-mime' and `message-forward-show-mml';
if ARG is 1, decode the message and forward directly inline;
if ARG is 2, forward message as an rfc822 MIME section;
if ARG is 3, decode message and forward as an rfc822 MIME section;
if ARG is 4, forward message directly inline;
otherwise, use flipped `message-forward-as-mime'.
If POST, post instead of mail.
For the \"inline\" alternatives, also see the variable
`message-forward-ignored-headers'."
  (interactive "P")
  (if (cdr (gnus-summary-work-articles nil))
      ;; Process marks are given.
      (gnus-uu-digest-mail-forward nil post)
    ;; No process marks.
    (let ((message-forward-as-mime message-forward-as-mime)
	  (message-forward-show-mml message-forward-show-mml))
      (cond
       ((null arg))
       ((eq arg 1)
	(setq message-forward-as-mime nil
	      message-forward-show-mml t))
       ((eq arg 2)
	(setq message-forward-as-mime t
	      message-forward-show-mml nil))
       ((eq arg 3)
	(setq message-forward-as-mime t
	      message-forward-show-mml t))
       ((eq arg 4)
	(setq message-forward-as-mime nil
	      message-forward-show-mml nil))
       (t
	(setq message-forward-as-mime (not message-forward-as-mime))))
      (let* ((gnus-article-reply (gnus-summary-article-number))
	     (gnus-article-yanked-articles (list gnus-article-reply)))
	(gnus-setup-message 'forward
	  (gnus-summary-select-article)
	  (let ((mail-parse-charset
		 (or (and (gnus-buffer-live-p gnus-article-buffer)
			  (with-current-buffer gnus-article-buffer
			    gnus-article-charset))
		     gnus-newsgroup-charset))
		(mail-parse-ignored-charsets
		 gnus-newsgroup-ignored-charsets))
	    (set-buffer gnus-original-article-buffer)
	    (message-forward post)))))))

(defun gnus-summary-resend-message-insert-gcc ()
  "Insert Gcc header according to `gnus-gcc-self-resent-messages'."
  (gnus-inews-insert-gcc)
  (let ((gcc (mapcar
	      (lambda (group)
		(encode-coding-string
		 group
		 (gnus-group-name-charset (gnus-inews-group-method group)
					  group)))
	      (message-unquote-tokens
	       (message-tokenize-header (mail-fetch-field "gcc" nil t)
					" ,"))))
	(self (with-current-buffer gnus-summary-buffer
		gnus-gcc-self-resent-messages)))
    (message-remove-header "gcc")
    (when gcc
      (goto-char (point-max))
      (cond ((eq self 'none))
	    ((eq self t)
	     (insert "Gcc: \"" gnus-newsgroup-name "\"\n"))
	    ((stringp self)
	     (insert "Gcc: "
		     (encode-coding-string
		      (if (string-match " " self)
			  (concat "\"" self "\"")
			self)
		      (gnus-group-name-charset (gnus-inews-group-method self)
					       self))
		     "\n"))
	    ((null self)
	     (insert "Gcc: " (mapconcat 'identity gcc ", ") "\n"))
	    ((eq self 'no-gcc-self)
	     (when (setq gcc (delete
			      gnus-newsgroup-name
			      (delete (concat "\"" gnus-newsgroup-name "\"")
				      gcc)))
	       (insert "Gcc: " (mapconcat 'identity gcc ", ") "\n")))))))

(defun gnus-summary-resend-message (address n)
  "Resend the current article to ADDRESS."
  (interactive
   (list (message-read-from-minibuffer
	  "Resend message(s) to: "
	  (when (and gnus-summary-resend-default-address
		     (gnus-buffer-live-p gnus-original-article-buffer))
	    ;; If some other article is currently selected, the
	    ;; initial-contents is wrong. Whatever, it is just the
	    ;; initial-contents.
	    (with-current-buffer gnus-original-article-buffer
	      (nnmail-fetch-field "to"))))
	 current-prefix-arg))
  (let ((message-header-setup-hook (copy-sequence message-header-setup-hook))
	(message-sent-hook (copy-sequence message-sent-hook))
	;; Honor posting-style for `name' and `address' in Resent-From header.
	(styles (gnus-group-find-parameter gnus-newsgroup-name
					   'posting-style t))
	(user-full-name user-full-name)
	(user-mail-address user-mail-address)
	tem)
    (dolist (style styles)
      (when (stringp (cadr style))
	(setcdr style (list (decode-coding-string (cadr style) 'utf-8)))))
    (dolist (style (if styles
		       (append gnus-posting-styles (list (cons ".*" styles)))
		     gnus-posting-styles))
      (when (and (stringp (car style))
		 (string-match (pop style) gnus-newsgroup-name))
	(when (setq tem (cadr (assq 'name style)))
	  (setq user-full-name tem))
	(when (setq tem (cadr (assq 'address style)))
	  (setq user-mail-address tem))))
    ;; `gnus-summary-resend-message-insert-gcc' must run last.
    (add-hook 'message-header-setup-hook
	      'gnus-summary-resend-message-insert-gcc t)
    (add-hook 'message-sent-hook
	      `(lambda ()
		 (let ((rfc2047-encode-encoded-words nil))
		   ,(if gnus-agent
			'(gnus-agent-possibly-do-gcc)
		      '(gnus-inews-do-gcc)))))
    (dolist (article (gnus-summary-work-articles n))
      (gnus-summary-select-article nil nil nil article)
      (with-current-buffer gnus-original-article-buffer
	(let ((gnus-gcc-externalize-attachments nil)
	      (message-inhibit-body-encoding t))
	  (message-resend address)))
      (gnus-summary-mark-article-as-forwarded article))))

;; From: Matthieu Moy <Matthieu.Moy@imag.fr>
(defun gnus-summary-resend-message-edit ()
  "Resend an article that has already been sent.
A new buffer will be created to allow the user to modify body and
contents of the message, and then, everything will happen as when
composing a new message."
  (interactive)
  (let ((mail-parse-charset gnus-newsgroup-charset))
    (gnus-setup-message 'reply-yank
      (gnus-summary-select-article t)
      (set-buffer gnus-original-article-buffer)
      (let ((cur (current-buffer))
	    (to (message-fetch-field "to")))
	;; Get a normal message buffer.
	(message-pop-to-buffer (message-buffer-name "Resend" to))
	(insert-buffer-substring cur)
	(mime-to-mml)
	(message-narrow-to-head-1)
	;; Gnus will generate a new one when sending.
	(message-remove-header "Message-ID")
	;; Remove unwanted headers.
	(message-remove-header message-ignored-resent-headers t)
	(goto-char (point-max))
	(insert mail-header-separator)
	;; Add Gcc header.
	(gnus-inews-insert-gcc)
	(goto-char (point-min))
	(when (re-search-forward "^To:\\|^Newsgroups:" nil 'move)
	  (forward-char 1))
	(widen)))))

(defun gnus-summary-post-forward (&optional arg)
  "Forward the current article to a newsgroup.
See `gnus-summary-mail-forward' for ARG."
  (interactive "P")
  (gnus-summary-mail-forward arg t))

(defun gnus-summary-mail-crosspost-complaint (n)
  "Send a complaint about crossposting to the current article(s)."
  (interactive "P")
  (dolist (article (gnus-summary-work-articles n))
    (set-buffer gnus-summary-buffer)
    (gnus-summary-goto-subject article)
    (let ((group (gnus-group-real-name gnus-newsgroup-name))
	  newsgroups followup-to)
      (gnus-summary-select-article)
      (set-buffer gnus-original-article-buffer)
      (if (and (<= (length (message-tokenize-header
			    (setq newsgroups
				  (mail-fetch-field "newsgroups"))
			    ", "))
		   1)
	       (or (not (setq followup-to (mail-fetch-field "followup-to")))
		   (not (member group (message-tokenize-header
				       followup-to ", ")))))
	  (if followup-to
	      (gnus-message 1 "Followup-To restricted")
	    (gnus-message 1 "Not a crossposted article"))
	(set-buffer gnus-summary-buffer)
	(gnus-summary-reply-with-original 1)
	(set-buffer gnus-message-buffer)
	(message-goto-body)
	(insert (format gnus-crosspost-complaint newsgroups group))
	(message-goto-subject)
	(re-search-forward " *$")
	(replace-match " (crosspost notification)" t t)
	(deactivate-mark)
	(when (gnus-y-or-n-p "Send this complaint? ")
	  (message-send-and-exit))))))

(defun gnus-inews-add-to-address (group)
  (let ((to-address (mail-fetch-field "to")))
    (when (and to-address
	       (gnus-alive-p))
      ;; This mail group doesn't have a `to-list', so we add one
      ;; here.  Magic!
      (when (gnus-y-or-n-p
	     (format "Do you want to add this as `to-list': %s? " to-address))
	(gnus-group-add-parameter group (cons 'to-list to-address))))))

(defun gnus-article-mail (yank)
  "Send a reply to the address near point.
If YANK is non-nil, include the original article."
  (interactive "P")
  (let ((address
	 (buffer-substring
	  (save-excursion (re-search-backward "[ \t\n]" nil t) (1+ (point)))
	  (save-excursion (re-search-forward "[ \t\n]" nil t) (1- (point))))))
    (when address
      (gnus-msg-mail address)
      (when yank
	(gnus-inews-yank-articles (list (cdr gnus-article-current)))))))

(defun gnus-bug (subject)
  "Send a bug report to the Emacs maintainers."
  (interactive "sBug Subject: ")
  (report-emacs-bug subject)
  (save-excursion
    (goto-char (point-min))
    (insert (format "X-Debbugs-Package: %s\n" gnus-bug-package))))

(defun gnus-summary-yank-message (buffer n)
  "Yank the current article into a composed message."
  (interactive
   (list (gnus-completing-read "Buffer" (message-buffers) t)
	 current-prefix-arg))
  (gnus-summary-iterate n
    (let ((gnus-inhibit-treatment t))
      (gnus-summary-select-article))
    (with-current-buffer buffer
      (message-yank-buffer gnus-article-buffer))))

;;; Treatment of rejected articles.
;;; Bounced mail.

(defun gnus-summary-resend-bounced-mail (&optional fetch)
  "Re-mail the current message.
This only makes sense if the current message is a bounce message that
contains some mail you have written which has been bounced back to
you.
If FETCH, try to fetch the article that this is a reply to, if indeed
this is a reply."
  (interactive "P")
  (gnus-summary-select-article t)
  (let (summary-buffer parent)
    (if fetch
	(progn
	  (setq summary-buffer (current-buffer))
	  (set-buffer gnus-original-article-buffer)
	  (article-goto-body)
	  (when (re-search-forward "^References:\n?" nil t)
	    (while (memq (char-after) '(?\t ? ))
	      (forward-line 1))
	    (skip-chars-backward "\t\n ")
	    (setq parent
		  (gnus-parent-id (buffer-substring (match-end 0) (point))))))
      (set-buffer gnus-original-article-buffer))
    (gnus-setup-message 'compose-bounce
      (message-bounce)
      ;; Add Gcc header.
      (gnus-inews-insert-gcc)
      ;; If there are references, we fetch the article we answered to.
      (when parent
	(with-current-buffer summary-buffer
	  (gnus-summary-refer-article parent)
	  (gnus-summary-show-all-headers))))))

;;; Gcc handling.

(defun gnus-inews-group-method (group)
  (cond
   ;; If the group doesn't exist, we assume
   ;; it's an archive group...
   ((and (null (gnus-get-info group))
	 (eq (car (gnus-server-to-method gnus-message-archive-method))
	     (car (gnus-server-to-method (gnus-group-method group)))))
    gnus-message-archive-method)
   ;; Use the method.
   ((gnus-info-method (gnus-get-info group))
    (gnus-info-method (gnus-get-info group)))
   ;; Find the method.
   (t (gnus-server-to-method (gnus-group-method group)))))

;; Do Gcc handling, which copied the message over to some group.
(defun gnus-inews-do-gcc (&optional gcc)
  (interactive)
  (save-excursion
    (save-restriction
      (message-narrow-to-headers)
      (let ((gcc (or gcc (mail-fetch-field "gcc" nil t)))
	    (cur (current-buffer))
	    (encoded-cache message-encoded-mail-cache)
	    groups group method group-art options
	    mml-externalize-attachments)
	(when gcc
	  (message-remove-header "gcc")
	  (widen)
	  (setq groups (message-unquote-tokens
			(message-tokenize-header gcc " ,")))
	  ;; Copy the article over to some group(s).
	  (while (setq group (pop groups))
	    (setq method (gnus-inews-group-method group)
		  group (encode-coding-string
			 group
			 (gnus-group-name-charset method group)))
	    (unless (gnus-check-server method)
	      (error "Can't open server %s" (if (stringp method) method
					      (car method))))
	    (unless (gnus-request-group group t method)
	      (gnus-request-create-group group method))
	    (setq mml-externalize-attachments
		  (if (stringp gnus-gcc-externalize-attachments)
		      (string-match gnus-gcc-externalize-attachments group)
		    gnus-gcc-externalize-attachments))
	    (save-excursion
	      (nnheader-set-temp-buffer " *acc*")
	      (setq message-options (with-current-buffer cur message-options))
	      (insert-buffer-substring cur)
	      (run-hooks 'gnus-gcc-pre-body-encode-hook)
	      ;; Avoid re-doing things like GPG-encoding secret parts.
	      (if (not encoded-cache)
		  (message-encode-message-body)
		(erase-buffer)
		(insert encoded-cache))
	      (message-remove-header "gcc")
	      (run-hooks 'gnus-gcc-post-body-encode-hook)
	      (save-restriction
		(message-narrow-to-headers)
		(let* ((newsgroups-field (save-restriction
					   (message-narrow-to-headers-or-head)
					   (message-fetch-field "Newsgroups")))
		       (followup-field (save-restriction
					 (message-narrow-to-headers-or-head)
					 (message-fetch-field "Followup-To")))
		       ;; BUG: We really need to get the charset for
		       ;; each name in the Newsgroups and Followup-To
		       ;; lines to allow crossposting between group
		       ;; names with incompatible character sets.
		       ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
		       (group-field-charset
			(gnus-group-name-charset
			 method (or newsgroups-field "")))
		       (followup-field-charset
			(gnus-group-name-charset
			 method (or followup-field "")))
		       (rfc2047-header-encoding-alist
			(append
			 (when group-field-charset
			   (list (cons "Newsgroups" group-field-charset)))
			 (when followup-field-charset
			   (list (cons "Followup-To" followup-field-charset)))
			 rfc2047-header-encoding-alist)))
		  (mail-encode-encoded-word-buffer)))
	      (goto-char (point-min))
	      (when (re-search-forward
		     (concat "^" (regexp-quote mail-header-separator) "$")
		     nil t)
		(replace-match "" t t ))
	      (when (or (not (gnus-check-backend-function
			      'request-accept-article group))
			(not (setq group-art
				   (gnus-request-accept-article
				    group method t t))))
		(gnus-message 1 "Couldn't store article in group %s: %s"
			      group (gnus-status-message method)))
	      (when (stringp method)
		(setq method (gnus-server-to-method method)))
	      (when (and (listp method)
			 (gnus-native-method-p method))
		(setq group (gnus-group-short-name group)))
	      (when (and group-art
			 ;; FIXME: Should gcc-mark-as-read work when
			 ;; Gnus is not running?
			 (gnus-alive-p))
		(if (or gnus-gcc-mark-as-read
			(and (boundp 'gnus-inews-mark-gcc-as-read)
			     (symbol-value 'gnus-inews-mark-gcc-as-read)))
		    (gnus-group-mark-article-read group (cdr group-art))
		  (with-current-buffer gnus-group-buffer
		    (let ((gnus-group-marked (list group))
			  (gnus-get-new-news-hook nil)
			  (inhibit-read-only t))
		      (gnus-group-get-new-news-this-group nil t)))))
	      (setq options message-options)
	      (with-current-buffer cur (setq message-options options))
	      (kill-buffer (current-buffer)))))))))

(defun gnus-inews-insert-gcc (&optional group)
  "Insert the Gcc to say where the article is to be archived."
  (let* ((group (or group gnus-newsgroup-name))
         (var (or gnus-outgoing-message-group gnus-message-archive-group))
	 (gcc-self-val
	  (and group (not (gnus-virtual-group-p group))
	       (gnus-group-find-parameter group 'gcc-self t)))
	 (gcc-self-get (lambda (gcc-self-val group)
			 (if (stringp gcc-self-val)
			     (if (string-match " " gcc-self-val)
				 (concat "\"" gcc-self-val "\"")
			       gcc-self-val)
			   ;; In nndoc groups, we use the parent group name
			   ;; instead of the current group.
			   (let ((group (or (gnus-group-find-parameter
					     gnus-newsgroup-name 'parent-group)
					    group)))
			     (if (string-match " " group)
				 (concat "\"" group "\"")
			       group)))))
	 result
	 (groups
	  (cond
	   ((null gnus-message-archive-method)
	    ;; Ignore.
	    nil)
	   ((stringp var)
	    ;; Just a single group.
	    (list var))
	   ((null var)
	    ;; We don't want this.
	    nil)
	   ((and (listp var) (stringp (car var)))
	    ;; A list of groups.
	    var)
	   ((functionp var)
	    ;; A function.
	    (funcall var group))
	   (group
	    ;; An alist of regexps/functions/forms.
	    (while (and var
			(not
			 (setq result
			       (cond
				((and group
				      (stringp (caar var)))
				 ;; Regexp.
				 (when (string-match (caar var) group)
				   (cdar var)))
				((and group
				      (functionp (car var)))
				 ;; Function.
				 (funcall (car var) group))
				(t
				 (eval (car var)))))))
	      (setq var (cdr var)))
	    result)))
	 name)
    (when (and (or groups gcc-self-val)
	       (gnus-alive-p))
      (when (stringp groups)
	(setq groups (list groups)))
      (save-excursion
	(save-restriction
	  (message-narrow-to-headers)
	  (goto-char (point-max))
	  (insert "Gcc: ")
	  (if gcc-self-val
	      ;; Use the `gcc-self' param value instead.
	      (progn
		(insert (if (listp gcc-self-val)
			    (mapconcat (lambda (val)
					 (funcall gcc-self-get val group))
				       gcc-self-val ", ")
			    (funcall gcc-self-get gcc-self-val group)))
		(if (not (eq gcc-self-val 'none))
		    (insert "\n")
		  (gnus-delete-line)))
	    ;; Use the list of groups.
	    (while (setq name (pop groups))
	      (let ((str (if (string-match ":" name)
			     name
			   (gnus-group-prefixed-name
			    name gnus-message-archive-method))))
		(insert (if (string-match " " str)
			    (concat "\"" str "\"")
			  str)))
	      (when groups
		(insert " ")))
	    (insert "\n")))))))

(defun gnus-mailing-list-followup-to ()
  "Look at the headers in the current buffer and return a Mail-Followup-To address."
  (let ((x-been-there (gnus-fetch-original-field "x-beenthere"))
	(list-post (gnus-fetch-original-field "list-post")))
    (when (and list-post
	       (string-match "mailto:\\([^>]+\\)" list-post))
      (setq list-post (match-string 1 list-post)))
    (or list-post
	x-been-there)))

;;; Posting styles.

(defun gnus-configure-posting-styles (&optional group-name)
  "Configure posting styles according to `gnus-posting-styles'."
  (unless gnus-inhibit-posting-styles
    (let ((group (or group-name gnus-newsgroup-name ""))
	  (styles (if (gnus-buffer-live-p gnus-summary-buffer)
		      (with-current-buffer gnus-summary-buffer
			gnus-posting-styles)
		    gnus-posting-styles))
	  style match attribute value v results matched-string
	  filep name address element)
      ;; If the group has a posting-style parameter, add it at the end with a
      ;; regexp matching everything, to be sure it takes precedence over all
      ;; the others.
      (when gnus-newsgroup-name
	(let ((tmp-style (gnus-group-find-parameter group 'posting-style t)))
	  (when tmp-style
	    (dolist (style tmp-style)
	      (when (stringp (cadr style))
		(setcdr style (list (decode-coding-string (cadr style)
							  'utf-8)))))
	    (setq styles (append styles (list (cons ".*" tmp-style)))))))
      ;; Go through all styles and look for matches.
      (dolist (style styles)
	(setq match (pop style))
	(goto-char (point-min))
	(when (cond
	       ((stringp match)
		;; Regexp string match on the group name.
		(when (string-match match group)
                  (setq matched-string group)
                  t))
	       ((eq match 'header)
		;; Obsolete format of header match.
		(and (gnus-buffer-live-p gnus-article-copy)
		     (with-current-buffer gnus-article-copy
		       (save-restriction
			 (nnheader-narrow-to-headers)
			 (let ((header (message-fetch-field (pop style))))
			   (and header
				(string-match (pop style) header)))))))
	       ((or (symbolp match)
		    (functionp match))
		(cond
		 ((functionp match)
		  ;; Function to be called.
		  (funcall match))
		 ((boundp match)
		  ;; Variable to be checked.
		  (symbol-value match))))
	       ((listp match)
		(cond
		 ((eq (car match) 'header)
		  ;; New format of header match.
		  (and (gnus-buffer-live-p gnus-article-copy)
		       (with-current-buffer gnus-article-copy
			 (save-restriction
			   (nnheader-narrow-to-headers)
			   (let ((header (message-fetch-field (nth 1 match))))
			     (and header
				  (string-match (nth 2 match) header)
				  (setq matched-string header)))))))
		 (t
		  ;; This is a form to be evalled.
		  (eval match)))))
	  ;; We have a match, so we set the variables.
	  (dolist (attribute style)
	    (setq element (pop attribute)
		  filep nil)
	    (setq value
		  (cond
		   ((eq (car attribute) :file)
		    (setq filep t)
		    (cadr attribute))
		   ((eq (car attribute) :value)
		    (cadr attribute))
		   (t
		    (car attribute))))
	    ;; We get the value.
	    (setq v
		  (cond
		   ((stringp value)
		    (if (and matched-string
			     (string-match-p "\\\\[&[:digit:]]" value)
			     (match-beginning 1))
			(match-substitute-replacement value nil nil
						      matched-string)
		      value))
		   ((or (symbolp value)
			(functionp value))
		    (cond ((functionp value)
			   (funcall value))
			  ((boundp value)
			   (symbol-value value))))
		   ((listp value)
		    (eval value))))
	    ;; Translate obsolescent value.
	    (cond
	     ((eq element 'signature-file)
	      (setq element 'signature
		    filep t))
	     ((eq element 'x-face-file)
	      (setq element 'x-face
		    filep t)))
	    ;; Post-processing for the signature posting-style:
	    (and (eq element 'signature) filep
		 message-signature-directory
		 ;; don't actually use the signature directory
		 ;; if message-signature-file contains a path.
		 (not (file-name-directory v))
		 (setq v (nnheader-concat message-signature-directory v)))
	    ;; Get the contents of file elems.
	    (when (and filep v)
	      (setq v (with-temp-buffer
			(insert-file-contents v)
			(buffer-substring
			 (point-min)
			 (progn
			   (goto-char (point-max))
			   (if (zerop (skip-chars-backward "\n"))
			       (point)
			     (1+ (point))))))))
	    (setq results (delq (assoc element results) results))
	    (push (cons element v) results))))
      ;; Now we have all the styles, so we insert them.
      (setq name (assq 'name results)
	    address (assq 'address results))
      (setq results (delq name (delq address results)))
      (setq results (sort results (lambda (x y)
				    (string-lessp (car x) (car y)))))
      (dolist (result results)
	(add-hook 'message-setup-hook
		  (cond
		   ((eq 'eval (car result))
		    'ignore)
		   ((eq 'body (car result))
		    `(lambda ()
		       (save-excursion
			 (message-goto-body)
			 (insert ,(cdr result)))))
		   ((eq 'signature (car result))
		    (set (make-local-variable 'message-signature) nil)
		    (set (make-local-variable 'message-signature-file) nil)
		    (if (not (cdr result))
			'ignore
		      `(lambda ()
			 (save-excursion
			   (let ((message-signature ,(cdr result)))
			     (when message-signature
			       (message-insert-signature)))))))
		   (t
		    (let ((header
			   (if (symbolp (car result))
			       (capitalize (symbol-name (car result)))
			     (car result))))
		      `(lambda ()
			 (save-excursion
			   (message-remove-header ,header)
			   (let ((value ,(cdr result)))
			     (when value
			       (message-goto-eoh)
			       (insert ,header ": " value)
			       (unless (bolp)
				 (insert "\n")))))))))
		  nil 'local))
      (when (or name address)
	(add-hook 'message-setup-hook
		  `(lambda ()
		     (set (make-local-variable 'user-mail-address)
			  ,(or (cdr address) user-mail-address))
		     (let ((user-full-name ,(or (cdr name) (user-full-name)))
			   (user-mail-address
			    ,(or (cdr address) user-mail-address)))
		       (save-excursion
			 (message-remove-header "From")
			 (message-goto-eoh)
			 (insert "From: " (message-make-from) "\n"))))
		  nil 'local)))))

(defun gnus-summary-attach-article (n)
  "Attach the current article(s) to an outgoing Message buffer.
If any current in-progress Message buffers exist, the articles
can be attached to them.  If not, a new Message buffer is
created.

This command uses the process/prefix convention, so if you
process-mark several articles, they will all be attached."
  (interactive "P")
  (let ((buffers (message-buffers))
	destination)
    ;; Set up the destination mail composition buffer.
    (if (and buffers
	     (y-or-n-p "Attach files to existing mail composition buffer? "))
	(setq destination
	      (if (= (length buffers) 1)
		  (get-buffer (car buffers))
		(gnus-completing-read "Attach to buffer"
                                      buffers t nil nil (car buffers))))
      (gnus-summary-mail-other-window)
      (setq destination (current-buffer)))
    (gnus-summary-iterate n
      (gnus-summary-select-article)
      (set-buffer destination)
      ;; Attach at the end of the buffer.
      (save-excursion
	(goto-char (point-max))
	(message-forward-make-body-mime gnus-original-article-buffer)))
    (gnus-configure-windows 'message t)))

(provide 'gnus-msg)

;;; gnus-msg.el ends here

debug log:

solving ee5780e3f2 ...
found ee5780e3f2 in https://yhetil.org/emacs/87zhhoh9kn.fsf@dick/
found 10793455a5 in https://git.savannah.gnu.org/cgit/emacs.git
preparing index
index prepared:
100644 10793455a52f812037efd535b7b3ed02efa5f02c	lisp/gnus/gnus-msg.el

applying [1/1] https://yhetil.org/emacs/87zhhoh9kn.fsf@dick/
diff --git a/lisp/gnus/gnus-msg.el b/lisp/gnus/gnus-msg.el
index 10793455a5..ee5780e3f2 100644

Checking patch lisp/gnus/gnus-msg.el...
Applied patch lisp/gnus/gnus-msg.el cleanly.

index at:
100644 ee5780e3f2ecf049e195abf1a8d10374b8b2436f	lisp/gnus/gnus-msg.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.