(ps-print-version): New version number (5.0.3).
(ps-header-lines, ps-left-header, ps-right-header): No more buffer
local.
(ps-spool-config): Initialization fix.
(ps-print-prologue-1, ps-print-prologue-2, ps-print-duplex-feature):
PostScript code moved to separated file.
(ps-background-image): Little code reformating.
(ps-begin-file, ps-begin-job): Fix code.
(ps-postscript-code-directory, ps-mark-code-directory): New
vars.
(ps-prologue-file): New fun.
(struct sound): Add members `data' and `header_size'.
(enum sound_attr): Add SOUND_DATA.
(current_sound, current_sound_device): Variables renamed from
sound_file and sound_device.
(parse_sound): Parse :data.
(parse_sound): Handle sound data in strings.
(find_sound_type): Function renamed from find_sound_file_type.
(wav_init, au_init): Fail if sound's header_size is smaller than
needed header size.
(wav_play, au_play): Play sounds from string data.
strings.
(mark_buffer): Remove code in #if 0.
(gc_sweep): Ditto.
(UNMARK_BALANCE_INTERVALS): Give the macro statement form.
(strings_consed): New variable.
(allocate_string): Set it.
(syms_of_alloc): Add DEFVAR_INT for strings_consed.
(Fmemory_use_counts): Return strings_consed. Use Flist.
General cleanup in comments etc. Remove conditional
compilation for `standalone'.
(MARK_STRING, UNMARK_STRING, STRING_MARKED_P):
(GC_STRING_BYTES, GC_STRING_CHARS): New macros.
(DONT_COPY_FLAG): Removed.
(SBLOCK_SIZE, LARGE_STRING_BYTES): New macros.
(struct sdata, struct sblock): New
(struct string_block): Rewritten.
(STRINGS_IN_STRING_BLOCK): New macro.
(oldest_sblock, current_sblock, total_strings, total_free_strings)
(large_sblocks, string_blocks, string_free_list): New variables.
(NEXT_FREE_LISP_STRING, SDATA_OF_STRING, SDATA_SIZE): New macros.
(init_strings): Rewritten.
(allocate_string, allocate_string_data, compact_small_strings)
(free_large_strings, sweep_strings): New functions.
(STRING_BLOCK_SIZE, STRING_BLOCK_OUTSIZE)
(struct string_block_head, current_string_block)
(first_string_block, large_string_blocks, STRING_FULLSIZE)
(STRING_PAD): Removed.
(make_uninit_multibyte_string, make_pure_string): Rewritten.
(Fgarbage_collect): Don't set mark bit in large strings.
(mark_object): Mark strings differently. Mark symbol names
differently.
(survives_gc_p): Test marked strings differently.
(gc_sweep): Sweep strings differently, unmark strings in
symbol names.
(compact_strings): Removed.
