* defs.h (sevenbit_strings): Add declaration.

	* defs.h (sevenbit_strings):  Add declaration.
	* defs.h (printchar):  Replace with gdb_printchar.
	* language.h (language_defn):  Add new function pointers
	la_printchar and la_printstr, to do language dependent
	printing of characters and strings.
	* language.h (local_printchar, local_printstr):  New macros
	to call language dependent functions pointed to by la_printchar
	and la_printstr respectively.
	* c-exp.y (emit_char, c_printchar, c_printstr):  New language
	dependent functions for printing characters and strings.
	* c-exp.y (c_language_defn, cplus_language_defn):  Add
	c_printchar and c_printstr.
	* command.c (do_setshow_command):  Rename printchar use to
	gdb_printchar.
	* expprint.c (print_subexp):  Replace C style string output
	with call to local_printstr.
	* language.c (unk_lang_printchar, unk_lang_printstr):
	New stubs, currently errors.
	* language.c (unknown_language_defn, auto_language_defn,
	local_language_defn):  Add unk_lang_printchar and
	unk_lang_printstr.
	* m2-exp.y (emit_char, m2_printchar, m2_printstr):  New
	language dependent functions to print characters and strings.
	* m2-exp.y (m2_language_defn):  Add m2_printchar and m2_printstr.
	* utils.c (printchar):  Renamed to gdb_printchar.
	* valprint.c (print_string):  Remove prototype, function moved
	to c-exp.y, where it becomes c_printstr.
	* valprint.c (print_max):  Made global for reference from the
	language dependent printing routines in *-exp.y.
	* valprint.c (repeat_count_threshold):  New variable with function
	of old REPEAT_COUNT_THREHOLD define, but now settable by user.
	Change all references to old macro to references to new variable.
	* valprint.c (value_print, val_print):  Replace calls to
	print_string with calls to local_printstr.
	* valprint.c (val_print):  Replace C style character printing
	with call to local_printchar.
	* valprint.c (val_print):  Add case for TYPE_CODE_CHAR.
	* valprint.c (_initialize_valprint):  Add add_show_from_set
	call for setting up repeat_count_threshold as print variable.
	**** start-sanitize-chill ****
	* ch-exp.y (decode_integer_value):  New function.
	* ch-exp.y (decode_integer_literal):  Use decode_integer_value.
	* ch-exp.y (chill_printchar, chill_printstr):  New language
	dependent functions for printing characters and strings.
	* ch-exp.y (chill_language_defn):  Add chill_printchar and
	chill_printstr.
	**** end-sanitize-chill ****