src/cmds.c

   1 /* Simple built-in editing commands.
   2    Copyright (C) 1985, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002,
   3                  2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   4                  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #include <config.h>
  23 #include <setjmp.h>
  24 #include "lisp.h"
  25 #include "commands.h"
  26 #include "buffer.h"
  27 #include "character.h"
  28 #include "syntax.h"
  29 #include "window.h"
  30 #include "keyboard.h"
  31 #include "keymap.h"
  32 #include "dispextern.h"
  33 #include "frame.h"
  34
  35 Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;
  36
  37 /* A possible value for a buffer's overwrite-mode variable.  */
  38 Lisp_Object Qoverwrite_mode_binary;
  39
  40 /* Non-nil means put this face on the next self-inserting character.  */
  41 Lisp_Object Vself_insert_face;
  42
  43 /* This is the command that set up Vself_insert_face.  */
  44 Lisp_Object Vself_insert_face_command;
  45
  46 extern Lisp_Object Qface;
  47 extern Lisp_Object Vtranslation_table_for_input;
  48 \f
  49 DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0,
  50        doc: /* Return buffer position N characters after (before if N negative) point.  */)
  51      (n)
  52      Lisp_Object n;
  53 {
  54   CHECK_NUMBER (n);
  55
  56   return make_number (PT + XINT (n));
  57 }
  58
  59 DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "^p",
  60        doc: /* Move point right N characters (left if N is negative).
  61 On reaching end of buffer, stop and signal error.  */)
  62      (n)
  63      Lisp_Object n;
  64 {
  65   if (NILP (n))
  66     XSETFASTINT (n, 1);
  67   else
  68     CHECK_NUMBER (n);
  69
  70   /* This used to just set point to point + XINT (n), and then check
  71      to see if it was within boundaries.  But now that SET_PT can
  72      potentially do a lot of stuff (calling entering and exiting
  73      hooks, etcetera), that's not a good approach.  So we validate the
  74      proposed position, then set point.  */
  75   {
  76     int new_point = PT + XINT (n);
  77
  78     if (new_point < BEGV)
  79       {
  80         SET_PT (BEGV);
  81         xsignal0 (Qbeginning_of_buffer);
  82       }
  83     if (new_point > ZV)
  84       {
  85         SET_PT (ZV);
  86         xsignal0 (Qend_of_buffer);
  87       }
  88
  89     SET_PT (new_point);
  90   }
  91
  92   return Qnil;
  93 }
  94
  95 DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "^p",
  96        doc: /* Move point left N characters (right if N is negative).
  97 On attempt to pass beginning or end of buffer, stop and signal error.  */)
  98      (n)
  99      Lisp_Object n;
 100 {
 101   if (NILP (n))
 102     XSETFASTINT (n, 1);
 103   else
 104     CHECK_NUMBER (n);
 105
 106   XSETINT (n, - XINT (n));
 107   return Fforward_char (n);
 108 }
 109
 110 DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "^p",
 111        doc: /* Move N lines forward (backward if N is negative).
 112 Precisely, if point is on line I, move to the start of line I + N.
 113 If there isn't room, go as far as possible (no error).
 114 Returns the count of lines left to move.  If moving forward,
 115 that is N - number of lines moved; if backward, N + number moved.
 116 With positive N, a non-empty line at the end counts as one line
 117   successfully moved (for the return value).  */)
 118      (n)
 119      Lisp_Object n;
 120 {
 121   int opoint = PT, opoint_byte = PT_BYTE;
 122   int pos, pos_byte;
 123   int count, shortage;
 124
 125   if (NILP (n))
 126     count = 1;
 127   else
 128     {
 129       CHECK_NUMBER (n);
 130       count = XINT (n);
 131     }
 132
 133   if (count <= 0)
 134     shortage = scan_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1, 1);
 135   else
 136     shortage = scan_newline (PT, PT_BYTE, ZV, ZV_BYTE, count, 1);
 137
 138   /* Since scan_newline does TEMP_SET_PT_BOTH,
 139      and we want to set PT "for real",
 140      go back to the old point and then come back here.  */
 141   pos = PT;
 142   pos_byte = PT_BYTE;
 143   TEMP_SET_PT_BOTH (opoint, opoint_byte);
 144   SET_PT_BOTH (pos, pos_byte);
 145
 146   if (shortage > 0
 147       && (count <= 0
 148           || (ZV > BEGV
 149               && PT != opoint
 150               && (FETCH_BYTE (PT_BYTE - 1) != '\n'))))
 151     shortage--;
 152
 153   return make_number (count <= 0 ? - shortage : shortage);
 154 }
 155
 156 DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line, 0, 1, "^p",
 157        doc: /* Move point to beginning of current line.
 158 With argument N not nil or 1, move forward N - 1 lines first.
 159 If point reaches the beginning or end of buffer, it stops there.
 160
 161 This function constrains point to the current field unless this moves
 162 point to a different line than the original, unconstrained result.  If
 163 N is nil or 1, and a front-sticky field starts at point, the point
 164 does not move.  To ignore field boundaries bind
 165 `inhibit-field-text-motion' to t, or use the `forward-line' function
 166 instead.  For instance, `(forward-line 0)' does the same thing as
 167 `(beginning-of-line)', except that it ignores field boundaries.  */)
 168      (n)
 169      Lisp_Object n;
 170 {
 171   if (NILP (n))
 172     XSETFASTINT (n, 1);
 173   else
 174     CHECK_NUMBER (n);
 175
 176   SET_PT (XINT (Fline_beginning_position (n)));
 177
 178   return Qnil;
 179 }
 180
 181 DEFUN ("end-of-line", Fend_of_line, Send_of_line, 0, 1, "^p",
 182        doc: /* Move point to end of current line.
 183 With argument N not nil or 1, move forward N - 1 lines first.
 184 If point reaches the beginning or end of buffer, it stops there.
 185 To ignore intangibility, bind `inhibit-point-motion-hooks' to t.
 186
 187 This function constrains point to the current field unless this moves
 188 point to a different line than the original, unconstrained result.  If
 189 N is nil or 1, and a rear-sticky field ends at point, the point does
 190 not move.  To ignore field boundaries bind `inhibit-field-text-motion'
 191 to t.  */)
 192      (n)
 193      Lisp_Object n;
 194 {
 195   int newpos;
 196
 197   if (NILP (n))
 198     XSETFASTINT (n, 1);
 199   else
 200     CHECK_NUMBER (n);
 201
 202   while (1)
 203     {
 204       newpos = XINT (Fline_end_position (n));
 205       SET_PT (newpos);
 206
 207       if (PT > newpos
 208           && FETCH_CHAR (PT - 1) == '\n')
 209         {
 210           /* If we skipped over a newline that follows
 211              an invisible intangible run,
 212              move back to the last tangible position
 213              within the line.  */
 214
 215           SET_PT (PT - 1);
 216           break;
 217         }
 218       else if (PT > newpos && PT < ZV
 219                && FETCH_CHAR (PT) != '\n')
 220         /* If we skipped something intangible
 221            and now we're not really at eol,
 222            keep going.  */
 223         n = make_number (1);
 224       else
 225         break;
 226     }
 227
 228   return Qnil;
 229 }
 230
 231 DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
 232        doc: /* Delete the following N characters (previous if N is negative).
 233 Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
 234 Interactively, N is the prefix arg, and KILLFLAG is set if
 235 N was explicitly specified.  */)
 236      (n, killflag)
 237      Lisp_Object n, killflag;
 238 {
 239   int pos;
 240
 241   CHECK_NUMBER (n);
 242
 243   pos = PT + XINT (n);
 244   if (NILP (killflag))
 245     {
 246       if (XINT (n) < 0)
 247         {
 248           if (pos < BEGV)
 249             xsignal0 (Qbeginning_of_buffer);
 250           else
 251             del_range (pos, PT);
 252         }
 253       else
 254         {
 255           if (pos > ZV)
 256             xsignal0 (Qend_of_buffer);
 257           else
 258             del_range (PT, pos);
 259         }
 260     }
 261   else
 262     {
 263       call1 (Qkill_forward_chars, n);
 264     }
 265   return Qnil;
 266 }
 267
 268 DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char,
 269        1, 2, "p\nP",
 270        doc: /* Delete the previous N characters (following if N is negative).
 271 Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
 272 Interactively, N is the prefix arg, and KILLFLAG is set if
 273 N was explicitly specified.  */)
 274      (n, killflag)
 275      Lisp_Object n, killflag;
 276 {
 277   Lisp_Object value;
 278   int deleted_special = 0;
 279   int pos, pos_byte, i;
 280
 281   CHECK_NUMBER (n);
 282
 283   /* See if we are about to delete a tab or newline backwards.  */
 284   pos = PT;
 285   pos_byte = PT_BYTE;
 286   for (i = 0; i < XINT (n) && pos_byte > BEGV_BYTE; i++)
 287     {
 288       int c;
 289
 290       DEC_BOTH (pos, pos_byte);
 291       c = FETCH_BYTE (pos_byte);
 292       if (c == '\t' || c == '\n')
 293         {
 294           deleted_special = 1;
 295           break;
 296         }
 297     }
 298
 299   /* In overwrite mode, back over columns while clearing them out,
 300      unless at end of line.  */
 301   if (XINT (n) > 0
 302       && ! NILP (current_buffer->overwrite_mode)
 303       && ! deleted_special
 304       && ! (PT == ZV || FETCH_BYTE (PT_BYTE) == '\n'))
 305     {
 306       int column = (int) current_column (); /* iftc */
 307
 308       value = Fdelete_char (make_number (-XINT (n)), killflag);
 309       i = column - (int) current_column (); /* iftc */
 310       Finsert_char (make_number (' '), make_number (i), Qnil);
 311       /* Whitespace chars are ASCII chars, so we can simply subtract.  */
 312       SET_PT_BOTH (PT - i, PT_BYTE - i);
 313     }
 314   else
 315     value = Fdelete_char (make_number (-XINT (n)), killflag);
 316
 317   return value;
 318 }
 319
 320 int nonundocount;
 321
 322 /* Note that there's code in command_loop_1 which typically avoids
 323    calling this.  */
 324 DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p",
 325        doc: /* Insert the character you type.
 326 Whichever character you type to run this command is inserted.
 327 Before insertion, `expand-abbrev' is executed if the inserted character does
 328 not have word syntax and the previous character in the buffer does.
 329 After insertion, the value of `auto-fill-function' is called if the
 330 `auto-fill-chars' table has a non-nil value for the inserted character.  */)
 331      (n)
 332      Lisp_Object n;
 333 {
 334   int remove_boundary = 1;
 335   CHECK_NUMBER (n);
 336
 337   if (!EQ (Vthis_command, current_kboard->Vlast_command))
 338     nonundocount = 0;
 339
 340   if (NILP (Vexecuting_kbd_macro)
 341       && !EQ (minibuf_window, selected_window))
 342     {
 343       if (nonundocount <= 0 || nonundocount >= 20)
 344         {
 345           remove_boundary = 0;
 346           nonundocount = 0;
 347         }
 348       nonundocount++;
 349     }
 350
 351   if (remove_boundary
 352       && CONSP (current_buffer->undo_list)
 353       && NILP (XCAR (current_buffer->undo_list)))
 354     /* Remove the undo_boundary that was just pushed.  */
 355     current_buffer->undo_list = XCDR (current_buffer->undo_list);
 356
 357   /* Barf if the key that invoked this was not a character.  */
 358   if (!CHARACTERP (last_command_event))
 359     bitch_at_user ();
 360   {
 361     int character = translate_char (Vtranslation_table_for_input,
 362                                     XINT (last_command_event));
 363     if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode))
 364       {
 365         XSETFASTINT (n, XFASTINT (n) - 2);
 366         /* The first one might want to expand an abbrev.  */
 367         internal_self_insert (character, 1);
 368         /* The bulk of the copies of this char can be inserted simply.
 369            We don't have to handle a user-specified face specially
 370            because it will get inherited from the first char inserted.  */
 371         Finsert_char (make_number (character), n, Qt);
 372         /* The last one might want to auto-fill.  */
 373         internal_self_insert (character, 0);
 374       }
 375     else
 376       while (XINT (n) > 0)
 377         {
 378           int val;
 379           /* Ok since old and new vals both nonneg */
 380           XSETFASTINT (n, XFASTINT (n) - 1);
 381           val = internal_self_insert (character, XFASTINT (n) != 0);
 382           if (val == 2)
 383             nonundocount = 0;
 384           frame_make_pointer_invisible ();
 385         }
 386   }
 387
 388   return Qnil;
 389 }
 390
 391 /* Insert character C.  If NOAUTOFILL is nonzero, don't do autofill
 392    even if it is enabled.
 393
 394    If this insertion is suitable for direct output (completely simple),
 395    return 0.  A value of 1 indicates this *might* not have been simple.
 396    A value of 2 means this did things that call for an undo boundary.  */
 397
 398 static Lisp_Object Qexpand_abbrev;
 399
 400 int
 401 internal_self_insert (c, noautofill)
 402      int c;
 403      int noautofill;
 404 {
 405   int hairy = 0;
 406   Lisp_Object tem;
 407   register enum syntaxcode synt;
 408   Lisp_Object overwrite, string;
 409   /* Length of multi-byte form of C.  */
 410   int len;
 411   /* Working buffer and pointer for multi-byte form of C.  */
 412   unsigned char str[MAX_MULTIBYTE_LENGTH];
 413   int chars_to_delete = 0;
 414   int spaces_to_insert = 0;
 415
 416   overwrite = current_buffer->overwrite_mode;
 417   if (!NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
 418     hairy = 1;
 419
 420   /* At first, get multi-byte form of C in STR.  */
 421   if (!NILP (current_buffer->enable_multibyte_characters))
 422     {
 423       len = CHAR_STRING (c, str);
 424       if (len == 1)
 425         /* If C has modifier bits, this makes C an appropriate
 426            one-byte char.  */
 427         c = *str;
 428     }
 429   else
 430     {
 431       str[0] = (SINGLE_BYTE_CHAR_P (c)
 432                 ? c
 433                 : multibyte_char_to_unibyte (c, Qnil));
 434       len = 1;
 435     }
 436   if (!NILP (overwrite)
 437       && PT < ZV)
 438     {
 439       /* In overwrite-mode, we substitute a character at point (C2,
 440          hereafter) by C.  For that, we delete C2 in advance.  But,
 441          just substituting C2 by C may move a remaining text in the
 442          line to the right or to the left, which is not preferable.
 443          So we insert more spaces or delete more characters in the
 444          following cases: if C is narrower than C2, after deleting C2,
 445          we fill columns with spaces, if C is wider than C2, we delete
 446          C2 and several characters following C2.  */
 447
 448       /* This is the character after point.  */
 449       int c2 = FETCH_CHAR (PT_BYTE);
 450
 451       /* Column the cursor should be placed at after this insertion.
 452          The correct value should be calculated only when necessary.  */
 453       int target_clm = 0;
 454
 455       /* Overwriting in binary-mode always replaces C2 by C.
 456          Overwriting in textual-mode doesn't always do that.
 457          It inserts newlines in the usual way,
 458          and inserts any character at end of line
 459          or before a tab if it doesn't use the whole width of the tab.  */
 460       if (EQ (overwrite, Qoverwrite_mode_binary)
 461           || (c != '\n'
 462               && c2 != '\n'
 463               && ! (c2 == '\t'
 464                     && XINT (current_buffer->tab_width) > 0
 465                     && XFASTINT (current_buffer->tab_width) < 20
 466                     && (target_clm = ((int) current_column () /* iftc */
 467                                       + XINT (Fchar_width (make_number (c)))),
 468                         target_clm % XFASTINT (current_buffer->tab_width)))))
 469         {
 470           int pos = PT;
 471           int pos_byte = PT_BYTE;
 472
 473           if (target_clm == 0)
 474             chars_to_delete = 1;
 475           else
 476             {
 477               /* The actual cursor position after the trial of moving
 478                  to column TARGET_CLM.  It is greater than TARGET_CLM
 479                  if the TARGET_CLM is middle of multi-column
 480                  character.  In that case, the new point is set after
 481                  that character.  */
 482               int actual_clm
 483                 = XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));
 484
 485               chars_to_delete = PT - pos;
 486
 487               if (actual_clm > target_clm)
 488                 {
 489                   /* We will delete too many columns.  Let's fill columns
 490                      by spaces so that the remaining text won't move.  */
 491                   spaces_to_insert = actual_clm - target_clm;
 492                 }
 493             }
 494           SET_PT_BOTH (pos, pos_byte);
 495           hairy = 2;
 496         }
 497       hairy = 2;
 498     }
 499
 500   synt = SYNTAX (c);
 501
 502   if (!NILP (current_buffer->abbrev_mode)
 503       && synt != Sword
 504       && NILP (current_buffer->read_only)
 505       && PT > BEGV
 506       && (!NILP (current_buffer->enable_multibyte_characters)
 507           ? SYNTAX (XFASTINT (Fprevious_char ())) == Sword
 508           : (SYNTAX (UNIBYTE_TO_CHAR (XFASTINT (Fprevious_char ())))
 509              == Sword)))
 510     {
 511       int modiff = MODIFF;
 512       Lisp_Object sym;
 513
 514       sym = call0 (Qexpand_abbrev);
 515
 516       /* If we expanded an abbrev which has a hook,
 517          and the hook has a non-nil `no-self-insert' property,
 518          return right away--don't really self-insert.  */
 519       if (SYMBOLP (sym) && ! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
 520           && SYMBOLP (XSYMBOL (sym)->function))
 521         {
 522           Lisp_Object prop;
 523           prop = Fget (XSYMBOL (sym)->function, intern ("no-self-insert"));
 524           if (! NILP (prop))
 525             return 1;
 526         }
 527
 528       if (MODIFF != modiff)
 529         hairy = 2;
 530     }
 531
 532   if (chars_to_delete)
 533     {
 534       string = make_string_from_bytes (str, 1, len);
 535       if (spaces_to_insert)
 536         {
 537           tem = Fmake_string (make_number (spaces_to_insert),
 538                               make_number (' '));
 539           string = concat2 (tem, string);
 540         }
 541
 542       replace_range (PT, PT + chars_to_delete, string, 1, 1, 1);
 543       Fforward_char (make_number (1 + spaces_to_insert));
 544     }
 545   else
 546     insert_and_inherit (str, len);
 547
 548   if ((CHAR_TABLE_P (Vauto_fill_chars)
 549        ? !NILP (CHAR_TABLE_REF (Vauto_fill_chars, c))
 550        : (c == ' ' || c == '\n'))
 551       && !noautofill
 552       && !NILP (current_buffer->auto_fill_function))
 553     {
 554       Lisp_Object tem;
 555
 556       if (c == '\n')
 557         /* After inserting a newline, move to previous line and fill
 558            that.  Must have the newline in place already so filling and
 559            justification, if any, know where the end is going to be.  */
 560         SET_PT_BOTH (PT - 1, PT_BYTE - 1);
 561       tem = call0 (current_buffer->auto_fill_function);
 562       /* Test PT < ZV in case the auto-fill-function is strange.  */
 563       if (c == '\n' && PT < ZV)
 564         SET_PT_BOTH (PT + 1, PT_BYTE + 1);
 565       if (!NILP (tem))
 566         hairy = 2;
 567     }
 568
 569   /* If previous command specified a face to use, use it.  */
 570   if (!NILP (Vself_insert_face)
 571       && EQ (current_kboard->Vlast_command, Vself_insert_face_command))
 572     {
 573       Fput_text_property (make_number (PT - 1), make_number (PT),
 574                           Qface, Vself_insert_face, Qnil);
 575       Vself_insert_face = Qnil;
 576     }
 577
 578   if ((synt == Sclose || synt == Smath)
 579       && !NILP (Vblink_paren_function) && INTERACTIVE
 580       && !noautofill)
 581     {
 582       call0 (Vblink_paren_function);
 583       hairy = 2;
 584     }
 585   return hairy;
 586 }
 587 \f
 588 /* module initialization */
 589
 590 void
 591 syms_of_cmds ()
 592 {
 593   Qkill_backward_chars = intern_c_string ("kill-backward-chars");
 594   staticpro (&Qkill_backward_chars);
 595
 596   Qkill_forward_chars = intern_c_string ("kill-forward-chars");
 597   staticpro (&Qkill_forward_chars);
 598
 599   Qoverwrite_mode_binary = intern_c_string ("overwrite-mode-binary");
 600   staticpro (&Qoverwrite_mode_binary);
 601
 602   Qexpand_abbrev = intern_c_string ("expand-abbrev");
 603   staticpro (&Qexpand_abbrev);
 604
 605   DEFVAR_LISP ("self-insert-face", &Vself_insert_face,
 606                doc: /* If non-nil, set the face of the next self-inserting character to this.
 607 See also `self-insert-face-command'.  */);
 608   Vself_insert_face = Qnil;
 609
 610   DEFVAR_LISP ("self-insert-face-command", &Vself_insert_face_command,
 611                doc: /* This is the command that set up `self-insert-face'.
 612 If `last-command' does not equal this value, we ignore `self-insert-face'.  */);
 613   Vself_insert_face_command = Qnil;
 614
 615   DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function,
 616                doc: /* Function called, if non-nil, whenever a close parenthesis is inserted.
 617 More precisely, a char with closeparen syntax is self-inserted.  */);
 618   Vblink_paren_function = Qnil;
 619
 620   defsubr (&Sforward_point);
 621   defsubr (&Sforward_char);
 622   defsubr (&Sbackward_char);
 623   defsubr (&Sforward_line);
 624   defsubr (&Sbeginning_of_line);
 625   defsubr (&Send_of_line);
 626
 627   defsubr (&Sdelete_char);
 628   defsubr (&Sdelete_backward_char);
 629
 630   defsubr (&Sself_insert_command);
 631 }
 632
 633 void
 634 keys_of_cmds ()
 635 {
 636   int n;
 637
 638   nonundocount = 0;
 639   initial_define_key (global_map, Ctl ('I'), "self-insert-command");
 640   for (n = 040; n < 0177; n++)
 641     initial_define_key (global_map, n, "self-insert-command");
 642 #ifdef MSDOS
 643   for (n = 0200; n < 0240; n++)
 644     initial_define_key (global_map, n, "self-insert-command");
 645 #endif
 646   for (n = 0240; n < 0400; n++)
 647     initial_define_key (global_map, n, "self-insert-command");
 648
 649   initial_define_key (global_map, Ctl ('A'), "beginning-of-line");
 650   initial_define_key (global_map, Ctl ('B'), "backward-char");
 651   initial_define_key (global_map, Ctl ('D'), "delete-char");
 652   initial_define_key (global_map, Ctl ('E'), "end-of-line");
 653   initial_define_key (global_map, Ctl ('F'), "forward-char");
 654   initial_define_key (global_map, 0177, "delete-backward-char");
 655 }
 656
 657 /* arch-tag: 022ba3cd-67f9-4978-9c5d-7d2b18d8644e
 658    (do not change this comment) */