partial_line_height 3476 src/dispextern.h int partial_line_height (struct it *it_origin);
partial_line_height 6107 src/window.c   		   - partial_line_height (&it) - this_scroll_margin - 1),
partial_line_height 18742 src/xdisp.c          scroll_margin_y = it.last_visible_y - partial_line_height (&it)
partial_line_height 20998 src/xdisp.c    	  || w->cursor.y > (it.last_visible_y - partial_line_height (&it)