(Finsert_file_contents): If we read 0 bytes from a special file,
unlock the visited file if we locked it.
(Fmake_symbolic_link, Frecent_auto_save_p): Doc fixes.
(Ffile_exists_p, Ffile_symlink_p): Doc fixes.
[!MAC_OSX] (target_ticks): Remove variable.
[!MAC_OSX] (check_alarm, pause, index): Remove functions.
[!MAC_OSX && __MRC__] (sys_strftime): Likewise.
[!MAC_OSX] (select): If fd 0 is not set in rfds and some input
event occurs before timeout, behave as if the function were
interrupted.
[!MAC_OSX] (sigblock, sigsetmask, alarm): Simulate SIGALRM
handling using Time Manager routines.
[!MAC_OSX] (mac_atimer_task, mac_atimer_qlink, signal_mask): New
variables.
[!MAC_OSX] (mac_atimer_handler, set_mac_atimer, remove_mac_atimer)
(setitimer): New functions.
Rename from get_control_part_bound. All callers changed.
(x_scroll_bar_clear): New function.
(x_clear_frame): Use it.
(XTset_vertical_scroll_bar): Don't call Draw1Control.
(x_scroll_bar_handle_click): Change type of second argument from
int to ControlPartCode.
(check_alarm): Remove declaration.
(XTread_Socket) [!TARGET_API_MAC_CARBON]: Don't call it.
(XTread_Socket): Use ControlPartCode instead of SInt16.
(MACOSX_MALLOC_MULT16): New define.
[MACOSX_MALLOC_MULT16] (ptr_in_unexec_regions): Determine whether
ptr is in unexec regions by checking it is multiple of 16.
(unexec_malloc_header_t): New typedef.
(unexec_malloc, unexec_realloc, unexec_free): Store and use
allocated size information in unexec_malloc_header.
variable.
(mac_handle_tool_bar_click): Remove unused function and
declaration.
[USE_TOOLKIT_SCROLL_BARS] (scroll_bar_timer_callback)
(install_scroll_bar_timer, set_scroll_bar_timer)
(control_part_code_to_scroll_bar_part, construct_scroll_bar_click)
(get_control_part_bound, x_scroll_bar_handle_press)
(x_scroll_bar_handle_release, x_scroll_bar_handle_drag)
(x_set_toolkit_scroll_bar_thumb): New functions and declarations.
[USE_TOOLKIT_SCROLL_BARS] (last_scroll_bar_part, scroll_bar_timer)
(scroll_bar_timer_event_posted_p): New variables.
[USE_TOOLKIT_SCROLL_BARS] (SCROLL_BAR_FIRST_DELAY)
(SCROLL_BAR_CONTINUOUS_DELAY): New macros.
(x_scroll_bar_create): Set control reference with NewControl.
(x_scroll_bar_create) [USE_TOOLKIT_SCROLL_BARS]: Initialize
track_top and track_height to nil.
(x_scroll_bar_set_handle, x_scroll_bar_note_movement): Put
functions in #ifndef USE_TOOLKIT_SCROLL_BARS.
(XTset_vertical_scroll_bar): Don't make space between scroll bar
and associated window.
(XTset_vertical_scroll_bar) [MAC_OSX]: Get scroll bar area width
from window config.
(XTset_vertical_scroll_bar) [USE_TOOLKIT_SCROLL_BARS]: Set
track_top and track_height to nil when scroll bar size is changed.
Recalculate them if they are nil.
(XTread_socket) [MAC_OSX]: Use control kind to determine if the
clicked control is a scroll bar.
(XTread_socket) [USE_TOOLKIT_SCROLL_BARS]: Use toolkit scroll bar
event handler functions. Don't add modifiers to scroll bar click
events. Call scroll bar release handler when window is
deactivated.
(mac_initialize): Remove unused code for X toolkit.
(syms_of_macterm) [!USE_TOOLKIT_SCROLL_BARS]: Initialize
Vx_toolkit_scroll_bars to nil.
selection converter function.
(x_clear_frame_selections): Don't call x-lost-selection-functions
if Emacs is not owner of the selection.
(Vmac_services_selection): Put variable and initialization in
#ifdef MAC_OSX.
(syms_of_macselect) [MAC_OSX]: Set default value of
Vmac_services_selection to PRIMARY.
