GitLab

Count LAST_LINE_MISFIT in scroll margin for end of window.
Move label too_near_end before setting SCROLL_MARGIN_POS.
Set LAST_LINE_MISFIT before jumping there.

(try_scrolling): Calculate amount_to_scroll better in
scroll_conservatively case.  If scrolling that much doesn't change
STARTP, move it down one line.

(setup_echo_area_for_printing): Kill Emacs if no selected frame.