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(print): When multibyte is disabled,
print multibyte string chars using hex escapes.

(printchar): Pass new arg to message_dolog.
(strout): New arg MULTIBYTE.  Callers changed.

(strout): Take args SIZE and SIZE_BYTE;
operate on both chars and bytes.
(print_string): Pass new arg to strout.
If not using strout, fetch a whole multibyte char at once.
(write_string): Pass new arg to strout.
(write_string_1): Likewise.
(print) <case Lisp_String>: Scan by chars and bytes.
(print) <case Lisp_Symbol>: Scan name by chars and bytes.

(PRINTPREPARE): Use make_multibyte_string.
Initialize print_buffer_pos_byte.  Use insert_1_both.
(printchar): Update print_buffer_pos_byte and print_buffer_pos.
(print_buffer_pos_byte): New variable.

(Fexpand_abbrev): Pass new args to insert_from_string.
(Funexpand_abbrev): Likewise.  Use size_byte.

Have two locals len and len_byte.

(fast_c_string_match_ignore_case): Use string_make_unibyte.

(compile_pattern): New arg MULTIBYTE.  Callers changed.

(wordify): Use make_uninit_multibyte_string.
Scan by chars and bytes.

(string_match_1): Convert string indices to/from bytes.
(Freplace_match): Convert string indices to/from bytes.
(Fregexp_quote): Convert string indices to/from bytes.

Take account of size used by size_byte; store both sizes.
(Fpurecopy): Call make_pure_string the new way.
(compact_strings): Use size_byte field to compute string's size.

(make_uninit_multibyte_string): New function.
(make_uninit_string): Use make_uninit_multibyte_string.
(make_multibyte_string): New function.
(make_unibyte_string): New function.
(make_string): Compute number of chars from the data.

strings are converted to match buffer in multibyteness.
(overlay_strings): Convert strings to match buffer in multibyteness.

when checking for junk at end of expression.

(Fminibuffer_complete_word): Scan string bytes and chars.
Pass new args to insert_from_string.
(Ftry_completion): Use size_byte while comparing.
(Fall_completions): Use size_byte while comparing.

(display-time-mode): New customize variable to
automatically load the package.

automatically load the package.

M-n can insert default value into minibuffer.

Call make-variable-buffer-local.

If a variable has an entry in Vminor_mode_overriding_map_alist,
and also an entry in Vminor_mode_map_alist, ignore the latter.

(syms_of_charset): defsubr deleted.

Update call to CHAR_HEAD_P.

(indented_beyond_p): Take POS in bytes and chars.  Callers changed.
(pos_tab_indent): Function moved to xdisp.c.

(Fcurrent_indentation): Use scan_newline and SET_PT_BOTH.
(indented_beyond_p, current_column_1): Likewise.

(vmotion, compute_motion): Set up bytepos value to return it.
(current_column): Handle bytepos and charpos.
(position_indentation): Take bytepos as arg, and scan with it.  Calls changed.
(Fmove_to_column): Scan with bytepos and charpos.
(pos_tab_offset): Use bytepos to do FETCH_BYTE.
(skip_invisible): Don't worry about position in middle of character.

Its value no longer includes the gap space.

(adjust_markers_for_delete): Update ->bytepos instead of ->bufpos,
but don't adjust for the gap.
(adjust_markers_for_insert): Likewise.

(buf_charpos_to_bytepos, marker_byte_position): Likewise.
(Fset_marker, set_marker_restricted, set_marker_both): Likewise.
(set_marker_restricted_both): Likewise.

(pos_tab_offset): Decl deleted.
(insert_1, indented_beyond_p): Decls changed.
(move_gap_both, del_range_byte, del_range_both, del_range_2)
(scan_newline, Ffile_locked_p): New decls.

positions from it.  When arg is an integer, no need to worry that it
is in middle of a character.
(buildmark): Take 2 args (charpos and bytepos).  Callers changed.
(Fline_beginning_position): Save and restore both kinds of PT.
(Fprevious_char): Use PT_BYTE.
(Fbolp, Feolp): Use PT_BYTE.
(transpose_markers): Take args in chars and bytes.
(Ftranspose_regions): Work with byte and char positions.
(Fchar_after, Fchar_before): Use bytepos.
(make_buffer_string): Convert charpos to bytepos.
(Fcompare_buffer_substrings): Work with charpos and bytepos.
(Fsubst_char_in_region): Handle charpos and bytepos.
(Fwiden, Fnarrow_to_region): Likewise.
(save_restriction_restore): Update PT and PT_BYTES.
Cast arg to doprnt_lisp.

New arg BYTE; BUFFER is now first arg; use temp_set_point_both.
(set_point): New function; uses set_point_both.
(temp_set_point_both): New function.
(temp_set_point): Update BUF_PT_BYTE.
(get_local_map): Save and restore both forms of the buffer bounds.

(Fdetect_coding_region): Likewise.

(move_gap_both): New function.
(gap_left, gap_right): Take both charpos and bytepos args.
(adjust_markers_gap_motion): Renamed from adjust_markers and simplified.
(adjust_markers_for_delete): New function.
(adjust_markers_for_insert): Take args in chars and bytes.
Also new arg BEFORE_MARKERS.  One call does all marker updating
needed for any insert.
(adjust_point): Take 2 args and update PT and PT_BYTE.
(make_gap): Handle bytes vs chars.
(insert, insert_and_inherit): Handle bytes vs chars.
Pass new BEFORE_MARKERS arg to insert_1.
(insert_before_markers, insert_before_markers_and_inherit): Likewise.
(insert_from_string, insert_from_string_before_markers): Likewise.
(insert_from_buffer): Likewise.
(insert_1): Handle bytes vs chars.  New arg BEFORE_MARKERS.
(insert_from_string_1, insert_from_buffer_1): Likewise.
(replace_range): Likewise.
(del_range_2): New subroutine, taken from del_range_1.
(del_range_1): Use del_range_2.
(del_range_byte, del_range_both): New functions.