(Qprint_escape_nonascii): New variables.
(syms_of_print): Initialize them and set up Lisp variable.
(PRINTPREPARE): Bind print-escape-multibyte to t if appropriate.
Also bind print-escape-nonascii if appropriate.
(print): Test print_escape_multibyte and print_escape_nonascii,
rather than enable-multibyte-characters.
(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.
(PRINTPREPARE): For a marker, set old_point_byte and start_point_byte.
Set both kinds of PT from the marker.
(PRINTFINISH): For a marker, use set_marker_both.
Restore both kinds of PT.
(print): For strings and symbols, handle multibyte chars.
Define to work around hpux 7 <math.h> problem.
(<math.h>): Include.
(<float.h>, <stdlib.h>): Include if STDC_HEADERS.
(FLT_RADIX, DBL_MANT_DIG, DBL_DIG): Default to IEEE values.
(DOUBLE_DIGITS_BOUND): New macro.
(float_to_string): By default, generate the fewest number of digits
that represent the floating point value exactly.
(Vprint_gensym): Now a Lisp_Object; Renamed from print_gensym.
(syms_of_print): Set up both as Lisp vars.
(PRINTPREPARE, PRINTFINISH): Don't clear Vprint_gensym_alist
if Vprint_gensym is a cons cell.
(PRINTPREPARE): If print_buffer is nonzero,
save its contents in a string using record_unwind_protect.
(PRINTFINISH): Restore old print_buffer contents.
Free it only if this PRINTPREPARE malloc'd it.
(print): Don't call PRINTFULLP after all.
(print_unwind): New function.
(PRINTFULLP): New macro.
(print): Exit if PRINTFULLP.
When printing a symbol, don't save a pointer to the name.
(PRINTFINISH): Null out print_buffer after freeing it.
first, then insert it all at once.
(print_buffer): New variable.
(print_buffer_size, print_buffer_pos): New variables.
(PRINTPREPARE): Allocate print_buffer.
(PRINTFINISH): Free print_buffer after inserting its contents.
(printchar, strout): Output into print_buffer.
(print_string): If printcharfun is nil, use strout.
