(Vcurrent_iso639_language): New variable.
(syms_of_charset): Declare it as a Lisp variable.
(char_charset): Don't check non preferred charsets. As a last
resort, return charset_unicode.
(Fset_charset_priority): Update Vcharset_non_preferred_head.
conditionals. Don't check enable_font_backend. Delete all codes
used only when USE_FONT_BACKEND is not defined. Surround non-used
code by "#ifdef OLD_FONT" and "endif".
(Fw32_select_font): Use FONT_COMPAT to get old font structure.
conditionals. Don't check enable_font_backend. Delete all codes
used only when USE_FONT_BACKEND is not defined.
(w32font_open): Return a font-object. Make a font-object by
font_make_object. Adjusted for the change of struct w32font_info.
(w32font_close): Don't free struct font. Adjusted for the change
of struct w32font_info.
(w32font_encode_char, w32font_text_extents, w32font_draw):
Adjusted for the change of struct w32font_info.
(w32font_draw): Likewise.
(w32font_list_internal): Return a list, not vector.
(w32font_open_internal): Change the 4th arg to font-object.
Adjusted for the change of struct w32font_info and font-object
format.
(add_font_name_to_list): Don't downcase names.
(w32_enumfont_pattern_entity): Make a font-entity by
font_make_entity. Adjusted for the format change of font-entity.
Use FONT_SET_STYLE to set a style-related font property. If a
font is scalable, set avgwidth property to 0. Set font-entity
property by font_put_extra.
(font_matches_spec): Adjusted for the format change of
font-entity.
(w32_weight_table, w32_decode_weight): New variables.
(w32_encode_weight): New function.
(fill_in_logfont): Adjusted for the format change of font-spec.
(w32font_full_name): Use FONT_WEIGHT_SYMBOLIC to get a symbol
weight value.
(w32font_driver): Adjusted for the change of struct font_driver.
(w32font_open_internal): Change last argument from
w32font_info struct to font object. Fill in font object from
font_entity. Get Outline metrics if possible. Use them to
calculate underline position and thickness. Use xlfd name as name
property. Don't set codepage.
(w32font_open): Pass font_object to w32font_open_internal. Don't
update dpyinfo->smallest_font_height and
dpyinfo->smallest_char_width.
(w32font_draw): Use s->font.
(clear_cached_metrics): Don't clear non-existent blocks.
conditionals. Don't check enable_font_backend. Surround non-used
code by "#ifdef OLD_FONT" and "endif".
(FONT_WIDTH, FONT_HEIGHT, FONT_BASE, FONT_DESCENT)
(FONT_AVG_WIDTH): Adjusted for the change of struct font.
conditionals. Don't check enable_font_backend. Delete all codes
used only when USE_FONT_BACKEND is not defined. Surround non-used
code by "#ifdef OLD_FONT" and "endif".
(uniscribe_open): Return value changed to font-object. Adjusted
for the format change of font-object.
(uniscribe_otf_capability): Adjusted for the change of struct
font.
(add_opentype_font_name_to_list): Don't downcase names.
(uniscribe_font_driver): Adjusted for the change of struct
font_driver.
