* doc/emacs/frames.texi (Fonts): Update documentation to say
what font-use-system-font really does and where it can be used.
* src/haiku_font_support.cc (language_code_points): Fix coding
style.
(font_style_to_flags, be_font_style_to_flags): Accept const char
*.
(be_send_font_settings, be_listen_font_settings)
(be_lock_font_defaults, be_unlock_font_defaults)
(be_get_font_default, be_get_font_size): New functions used to
retrieve default font data.

* src/haiku_io.c (haiku_len): Handle FONT_CHANGE_EVENT.
* src/haiku_support.h (enum haiku_event_type): New event type
FONT_CHANGE_EVENT.
(enum haiku_what_font): New enum.
(struct haiku_font_change_event): New struct.

* src/haikufont.c (Ffont_get_system_normal_font)
(Ffont_get_system_font, haiku_handle_font_change_event): New
functions.
(syms_of_haikufont): Provide `dynamic-setting' and define new
variables and subrs.

* src/haikuterm.c (haiku_default_font_parameter): Use system font.
(haiku_read_socket): Handle FONT_CHANGE_EVENTS.
(haiku_term_init): Start listening for font configuration changes.
* src/haikuterm.h: Update prototypes.

* src/xsettings.c (Ffont_get_system_normal_font)
(Ffont_get_system_font): Update doc string.
(syms_of_xsettings): Replace calls to intern with a static
string.

* src/haiku_font_support.cc (BFont_find): Pass through
FSPEC_ANTIALIAS.
(be_set_font_antialiasing): New function.

* src/haiku_support.h (enum haiku_font_specification): New enum
FSPEC_ANTIALIAS.
(struct haiku_font_pattern): New field `use_antialiasing'.

* src/haikufont.c (haikufont_pattern_to_entity)
(haikufont_spec_or_entity_to_pattern, haikufont_open): Respect
antialiasing.
(syms_of_haikufont): New defsym `:indices'.

* src/font.h (font_property_index): Note that some font drivers
use the extra data in a font entity to store driver-specific
information.

* src/haiku_font_support.cc (BFont_find): Set font indices.
(be_open_font_at_index): New function.
(BFont_open_pattern): Clean up coding style.
* src/haiku_support.h (enum haiku_font_specification)
(struct haiku_font_pattern): New fields and specifications for
indices.
* src/haikufont.c (haikufont_pattern_to_entity, haikufont_open):
Use indices to open fonts if available in the extra data.

* src/haiku_font_support.cc (font_family_style_matches_p): Don't
allow matches on fonts with an adstyle if none was specified in
the input pattern.

* src/haiku_font_support.cc (font_family_style_matches_p): Fix
coding style.
* src/haikufont.c (haikufont_pattern_from_object): Set slant and
width using correct object.

* src/haiku_font_support.cc (font_style_to_flags):
* src/haiku_support.h (enum haiku_font_weight):
* src/haikufont.c (haikufont_weight_to_lisp)
(haikufont_lisp_to_weight): Make `ultralight' and `extralight'
mean the same thing.

* src/haiku_font_support.cc (be_find_font_indices): New
function.
* src/haiku_support.cc (class EmacsFontSelectionDialog)
(UpdateStylesForIndex, EmacsFontSelectionDialog): Allow
specifying an initial font family and style.
(be_select_font): New parameters `initial_family' and
`initial_style'.
* src/haiku_support.h: Update prototypes.

* src/haikufont.c (haikufont_lisp_to_weight)
(haikufont_lisp_to_slant, haikufont_lisp_to_width): Handle
`regular'.
(haikufont_pattern_from_object): New function.
(haikufont_spec_or_entity_to_pattern): Fix coding style.
(Fx_select_font): Compute indices based on currently selected
font.
(syms_of_haikufont): New defsyms.

* src/haiku_font_support.cc (font_style_to_flags): Handle style
allocation failures.
(be_font_style_to_flags): New function.

* src/haiku_support.cc (struct font_selection_dialog_message):
New struct.
(class EmacsFontSelectionDialog): New class.
(be_select_font): New function.

* src/haiku_support.h: Update prototypes.
* src/haikufont.c (Fx_select_font): New function.
(syms_of_haikufont): Define new subr.

* lisp/term/common-win.el (emacs-save-session-functions): Move
from x-win.el to common-win.el.
* lisp/term/haiku-win.el (haiku-save-session-reply)
(emacs-session-save, handle-save-session): New functions.
* lisp/term/x-win.el (emacs-save-session-functions): Delete.

* src/haiku_font_support.cc (font_style_to_flags):
* src/haiku_support.h (enum haiku_font_weight): Turn weight
macros into enum.
(struct haiku_font_pattern): Likewise.
(struct haiku_session_manager_reply): New struct.
* src/haiku_io.c (haiku_io_init): Create sm port.
* src/haiku_support.cc (QuitRequested): Wait for reply from sm
port.
* src/haikufns.c (Fhaiku_save_session_reply): New function.
(syms_of_haikufns): Define new subr.
* src/haikuterm.c (haiku_read_socket): Send session management
events.
(haiku_term_init): Check new port.