* xsmfns.c (ice_connection_closed): Call delete_read_fd.
(x_session_check_input): Change args and return type so it can be used
as argument to add_read_fd. Make static. Remove call to select.
Call kbd_buffer_store_event for emacs_event.
(smc_save_yourself_CB): Also store initial argv to SmRestartCommand.
(ice_conn_watch_CB): Call add_read_fd.
* xterm.c (XTread_socket): Remove HAVE_X_SM block with call to
x_session_check_input.
(x_session_initialized): Remove definition.
(x_initialize): Remove setting of x_session_initialized.
* xterm.h (x_session_check_input): Remove declaration.
* image.c (fn_png_longjmp, fn_png_set_longjmp_fn): New png
function definitions for compiling with libpng-1.5.
(PNG_LONGJMP, PNG_JMPBUF): New macros for libpng-1.5.
(my_png_error, png_load): Use them. Suggested by Thomas Klausner.
* nsselect.m (ns_string_from_pasteboard): Get length of string
and use make_string instead of build_string.
(ns_string_to_pasteboard_internal): Use initWithBytesNoCopy
instead of stringWithUTF8String (Bug#7934).
* src/keyboard.c (make_lispy_position): For clicks on right fringe or
margin, compute text position using the X coordinate relative to
the left of the text area (Bug#7839).
A better fix is already in the trunk.
* src/font.c (font_parse_fcname): Require GTK-style font sizes to
occur at the end of the font string (Bug#7853).
* src/eval.c (maybe_call_debugger): Declare before new use.
(find_handler_clause): Don't call debugger any more.
Ignore Vstack_trace_on_error.
Use XCAR/XCDR.
(syms_of_eval): Remove Vstack_trace_on_error.
(Fsignal): Only modify handlerlist when we know we need to do it.
Call the debugger when necessary.
* src/globals.h (Vstack_trace_on_error): Remove.
Fixes: debbugs:7825
* configure.in: Invoke the new gnulib macro gl_ASSERT_NO_GNULIB_TESTS.
This makes src/config.in a bit smaller, by removing identifiers
like GNULIB_TEST_MKTIME that Emacs does not need.
* m4/getopt.m4, m4/gnulib-common.m4, m4/include_next.m4:
* m4/multiarch.m4, m4/stddef_h.m4, m4/time_h.m4, m4/unistd_h.m4:
Sync from gnulib. This removes a few more unnecessary symbols from
src/config.in, such as AA_APPLE_UNIVERSAL_BUILD and HAVE_STDDEF_H.
* configure, src/config.in: Regenerate.
* nsterm.h (ns_output): Add dont_constrain and zooming.
(EmacsView): Add ns_userRect.
* nsterm.m (keyDown): If ns_right_alternate_modifier is Qleft, check
if ns_alternate_modifier is none.
* nsterm.m (x_set_offset, windowDidMove): When calculating y, use first
screen, not the window screen.
(x_set_window_size): Remove constraints.
Calculate origin.y only if zooming is 0 and without referring to a
screen.
(windowWillResize): Don't modify frameSize.
(windowDidBecomeKey, mouseDown): Set dont_constrain to 1.
(initFrameFromEmacs): Initialize ns_userRect.
(windowShouldZoom): Set zooming to one. Remove all other code.
(windowWillUseStandardFrame): Move static ns_userRect to EmacsView.
Zero it after restore.
(constrainFrameRect): New method for EmacsWindow.
(mouseDragged): Always post NSWindowDidResizeNotification after call to
windowWillResize.
