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Use insert_before_markers_and_inherit for character args.
(Finsert_and_inherit): Use insert_and_inherit for character args.

Use insert_and_inherit if requested.

(get_system_name): New function, now just uses Vsystem_name.

(Ftranspose_regions): Don't precompute pointers into buffer text.

Update point as if it were a marker.

if mark position is unchanged.

Cast result of alloca.  Use xmalloc instead, for large objects.
Always copy the middle portion directly; never put it in temp.
Always move the gap to START1 or END2, whichever is nearer.

(transpose_markers): Helper func for above.
(syms_of_frame): Call defsubr for Stranspose_regions.

even if they don't change.

(syms_of_editfns): Define it for Lisp.

(Fsubst_char_in_region): Move the NOUNDO hacking code
after the modify_region call.

if we don't really have any properties.

(Finsert_buffer_substring):
Pass graft_intervals_into_buffer the current buffer.
Pass it the extra arg LENGTH.

(Fsubst_char_in_region): Call modify_region only if
a change has to be made.  Call signal_after_change just once, at end.

(Finsert_and_inherit_before_markers): New function.
(Finsert, Finsert_before_markers): Pass new arg to insert_from_string*.

and Vsystem_name; don't make them Lisp variables.

mark is inactive and that is a no-no, signal mark-inactive instead of using
error with a message.

	argument list passed to doprnt, we must use separate indices for
	the array of arguments passed to Fformat, and the array of
	arguments to be passed to doprnt.

	changes.

	* editfns.c (Fcurrent_time_zone): Take an optional argument specifying
	what (absolute) time should be used to determine the current time zone.
	Yield just offset and name of time zone, including DST correction.
	Yield time zone offset in seconds, not minutes.
	(lisp_time_argument, difftm): New functions.
	(Fcurrent_time_string): Use lisp_time_argument.
	* systime.h (EMACS_CURRENT_TIME_ZONE, EMACS_GET_TZ_OFFSET,
	EMACS_GET_TZ_NAMES): Remove.
	* config.h.in: Add HAVE_TM_ZONE.