X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/f10fe38f772c29031a23ef7aa92d2de1b3675461..11dde529083c0b3df2e8e91913426ed4975b77c3:/src/cmds.c
diff --git a/src/cmds.c b/src/cmds.c
index 90d3cd6dce..aeedb152f6 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -1,6 +1,6 @@
/* Simple built-in editing commands.
-Copyright (C) 1985, 1993-1998, 2001-2012 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1998, 2001-2013 Free Software Foundation, Inc.
This file is part of GNU Emacs.
@@ -19,7 +19,7 @@ along with GNU Emacs. If not, see . */
#include
-#include
+
#include "lisp.h"
#include "commands.h"
#include "character.h"
@@ -85,6 +85,8 @@ move_point (Lisp_Object n, bool forward)
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "^p",
doc: /* Move point N characters forward (backward if N is negative).
On reaching end or beginning of buffer, stop and signal error.
+Interactively, N is the numeric prefix argument.
+If N is omitted or nil, move point 1 character forward.
Depending on the bidirectional context, the movement may be to the
right or to the left on the screen. This is in contrast with
@@ -97,6 +99,8 @@ right or to the left on the screen. This is in contrast with
DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "^p",
doc: /* Move point N characters backward (forward if N is negative).
On attempt to pass beginning or end of buffer, stop and signal error.
+Interactively, N is the numeric prefix argument.
+If N is omitted or nil, move point 1 character backward.
Depending on the bidirectional context, the movement may be to the
right or to the left on the screen. This is in contrast with
@@ -117,9 +121,7 @@ With positive N, a non-empty line at the end counts as one line
successfully moved (for the return value). */)
(Lisp_Object n)
{
- ptrdiff_t opoint = PT, opoint_byte = PT_BYTE;
- ptrdiff_t pos, pos_byte;
- EMACS_INT count, shortage;
+ ptrdiff_t opoint = PT, pos, pos_byte, shortage, count;
if (NILP (n))
count = 1;
@@ -130,16 +132,12 @@ successfully moved (for the return value). */)
}
if (count <= 0)
- shortage = scan_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1, 1);
+ pos = find_newline (PT, PT_BYTE, BEGV, BEGV_BYTE, count - 1,
+ &shortage, &pos_byte, 1);
else
- shortage = scan_newline (PT, PT_BYTE, ZV, ZV_BYTE, count, 1);
-
- /* Since scan_newline does TEMP_SET_PT_BOTH,
- and we want to set PT "for real",
- go back to the old point and then come back here. */
- pos = PT;
- pos_byte = PT_BYTE;
- TEMP_SET_PT_BOTH (opoint, opoint_byte);
+ pos = find_newline (PT, PT_BYTE, ZV, ZV_BYTE, count,
+ &shortage, &pos_byte, 1);
+
SET_PT_BOTH (pos, pos_byte);
if (shortage > 0
@@ -306,7 +304,7 @@ At the end, it runs `post-self-insert-hook'. */)
/* Barf if the key that invoked this was not a character. */
if (!CHARACTERP (last_command_event))
bitch_at_user ();
- {
+ else {
int character = translate_char (Vtranslation_table_for_input,
XINT (last_command_event));
int val = internal_self_insert (character, XFASTINT (n));