* xfns.c (Fx_create_frame): After mapping the frame, call

* xfns.c (Fx_create_frame): After mapping the frame, call
	SET_FRAME_GARBAGED, not just plain FRAME_GARBAGED.

	* xfns.c (Qvertical_scrollbars): New symbol.  Use it as the name
	of the parameter which decides whether or not the frame has
	scrollbars, instead of Qvertical_scrollbar.
	(Fx_create_frame): Adjusted accordingly.
	(syms_of_xfns): Initialize and staticpro Qvertical_scrollbars.
	(x_set_vertical_scrollbar): Renamed to x_set_vertical_scrollbars.
	(x_frame_parms): Adjusted accordingly.

	* xterm.h (CHAR_TO_PIXEL_WIDTH, CHAR_TO_PIXEL_HEIGHT,
	PIXEL_TO_CHAR_WIDTH, PIXEL_TO_CHAR_HEIGHT): Rewritten, using:
	(CHAR_TO_PIXEL_ROW, CHAR_TO_PIXEL_COL, PIXEL_TO_CHAR_ROW,
	PIXEL_TO_CHAR_COL): New macros.
	* xfns.c [not HAVE_X11] (Fx_create_frame): Use the
	PIXEL_TO_CHAR_{HEIGHT,WIDTH} macros to figure the frame's
	character size, and the CHAR_TO_PIXEL* macros for vice versa.
	* xterm.c (XTwrite_glyphs, XTclear_end_of_line, stufflines,
	scraplines, dumprectangle, pixel_to_glyph_coords, x_draw_box,
	clear_cursor, x_display_bar_cursor, x_draw_single_glyph,
	x_set_mouse_position): Use the CHAR_TO_PIXEL_* macros.

	* xfns.c (x_set_name): To request that the modelines be redrawn,
	execute the statement "update_mode_lines = 1;" instead of the
	silly statement "update_mode_lines;".

	* xfns.c (x_set_vertical_scrollbars): Don't try to set the
	X window's size if the frame's X window hasn't been created yet.

	* xfns.c (x_figure_window_size): Set the frame's
	vertical_scrollbar_extra field before trying to calculate its
	pixel dimensions.

	* xfns.c (x_window): When calling x_implicitly_set_name for the
	sake of drawing the name for the first time, remember to clear and
	set the frame's explicit_name member as well as its name member.
	(Fx_create_frame): Set the frame's explicit_name member if the
	user specified the name explicitly.

	* xfns.c (Fx_get_resource): Add CLASS argument, to give class of
	ATTRIBUTE.
	[not HAVE_X11]: Change definition of Fx_get_resource macro
	accordingly.
	(x_get_arg): Add CLASS argument, to give the class of ATTRIBUTE.
	Pass it along to Fx_get_resource.
	(x_figure_window_size, x_icon): Pass new argument to x_get_arg.
	(x_default_parameter): Add XCLASS argument, to give the class of
	XPROP.  Pass it along to x_get_arg.
	(Fx_create_frame): Pass new args to x_get_arg and
	x_default_parameter.

	* xfns.c (Fx_create_frame): Use the same resource names and
	classes as xterm and Emacs 18.