GitLab

	(x_reply_selection_request): Put x_uncatch_errors in an unwind.
	(Fx_get_atom_name): Call x_uncatch_errors earlier.

	* window.c (Qscroll_up, Qscroll_down): New syms.
	(window_scroll_pixel_based): Make preserve_y static to avoid
	getting point stuck when scrolling 1 line.