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	using x_default_parameter, since x_get_args clears the parm alist.

frame's icon_name isn't a string rather than only when it is nil.

	string.

	argument.

	* xterm.c: (x_load_font, x_term_init, XTmouse_position)
	(handle_one_xevent, x_connection_closed, x_list_fonts): No arg for
	x_uncatch_errors.

	* xselect.c (x_own_selection, x_decline_selection_request)
	(x_reply_selection_request, x_get_foreign_selection)
	(Fx_get_atom_name, Fx_send_client_event): Likewise.

	* xfns.c (x_real_positions, x_set_mouse_color, Fx_focus_frame):
	Likewise.

	(x_uncatch_errors): Unused count argument deleted.

	* xterm.c (x_catch_errors): Don't use record_unwind_protect, since
	it can be called in a signal handler.
	(x_catch_errors_unwind): Function deleted.
	(x_uncatch_errors): Deallocate last x_error_message_stack struct.
	(x_check_errors): Call x_uncatch_errors before signalling error.

	(x_load_font, x_term_init, XTmouse_position, handle_one_xevent)
	(x_connection_closed, x_list_fonts): Use new versions of
	x_catch_errors and x_uncatch_errors.

	* xselect.c (x_own_selection, x_decline_selection_request)
	(x_reply_selection_request, x_get_foreign_selection)
	(Fx_get_atom_name, Fx_send_client_event): Likewise.

	* xfns.c (x_real_positions, x_set_mouse_color, Fx_focus_frame):
	Likewise.

	* eval.c (record_unwind_protect): Add an assertion.

returning it.

unless they were cleared out.

(syms_of_xfns): Defvar it.

* gtkutil.c (xg_uses_old_file_dialog): New function.
(xg_get_file_name): Use xg_uses_old_file_dialog.

* gtkutil.h: Declare xg_uses_old_file_dialog.

the answer, return `lambda', not nil.

* w32fns.c (compute_tip_xy): Ditto

* macfns.c (compute_tip_xy): Ditto

i.e. dy is offset from top of frame instead of bottom.

(xg_set_icon_from_xpm_data): Remove unused variable err.
(x_set_name_internal, Fx_create_frame, xg_set_icon): Add cast
to remove compiler warning.
(compute_tip_xy): Put tip above pointer if it doesn't fit below.

	* gnu.h (gnu_xpm_bits): Renamed from gnu_bits.
	(gnu_xbm_bits): Renamed from gnu_bits (xbm version).

	* xterm.c (x_bitmap_icon): Use the xpm if available.

(x_set_name_internal): Call x_encode_text with new FREEP arg to
know if xfree is needed instead of guessing.

that it doesn't become "tooltip".  The specbind is enough.

Always return a freshly allocated string.
(xic_create_xfontset): Adjust call.

(xic_create_fontsetname): New function.
Extracted from create_frame_xic.  Try to generate a slightly better fontset.
(xic_create_xfontset): Use it.
(create_frame_xic): Simplify.