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nil, convert a multibyte character to unibyte appropriately.

over the replacement characters.

twice.

Use unibyte_char_to_multibyte.
(nonascii_insert_offset): Variable moved to charset.c.
(syms_of_cmds): Don't initialize nonascii_insert_offset.

avoid testing enable-multibyte-characters.
(internal_self_insert): Use make_multibyte_string.

(Fforward_point): Just add.
(Fforward_char): Don't call forward_point, just add.
(Fforward_line): Use scan_newline.
(Fdelete_char): No need for forward_point, just add.
(Fdelete_backward_char): Handle bytes and chars.
(internal_self_insert): Handle bytes and chars.

When multibyte characters are disabled,
use 1 as the width of the inserted character.

Lisp_Integer and add missing argument.
(internal_self_insert): Convert Fmove_to_column argument to
Lisp_Integer and add missing argument.

(Fself_insert_command, internal_self_insert):
Add nonascii_insert_offset to what we insert, when appropriate.
(syms_of_cmds): Set up Lisp variable.

(forward_point, Fforward_point): New functions.
(Fforward_char, Fdelete_char): Handle multibyte characters by
calling forward_point.
(Fdelete_backward_char): Pay attention to multibyte characters
in overwrite-mode.
(internal_self_insert): Handle self inserting a multibyte
character.
(syms_of_cmds): Handle the new function Fforward_point.

on the hook, not on the abbrev symbol.

just a hook, inhibit the insertion of the character.

Use Fline_beginning_position, Fline_end_position.

Treat deleted newline specially.

unless the auto_fill_function returns non-nil.

insert spaces, unless we deleted a tab.

Fdelete_backward_char): Harmonize arguments with documentation.

to avoid running change hooks lots of times.

(newline): Function moved to simple.el.
(internal_self_insert): Insert newline BEFORE calling
auto-fill-function, so centering & right-justify can work.

(syms_of_cmds): Set up Lisp variables.  Doc syntax fix.
(internal_self_insert): Handle Vself_insert_face.

when deciding to call auto_fill_function.

(Fnewline): If use_hard_newlines is on, mark inserted
newline(s) with `hard' property, marked rear-nonsticky.

(Fend_of_line): Replace call to Fforward_line and search loop with
call to find_before_next_newline.