48   vunits bottom;  member in column
283 : bottom(V0), col(0), tail(&col), out(0)  in column()
332   return bottom;  in get_bottom()
338   bottom += ln->distance();  in add_output_line()
339   bottom += ln->height();  in add_output_line()
348   add_output_line(new node_output_line(pos - bottom, nd, page_offset, before, after));  in print_line()
354   add_output_line(new vjustify_output_line(pos - bottom, typ));  in vjustify()
373   add_output_line(new copy_file_output_line(pos - bottom, filename, page_offset));  in copy_file()
390       bottom -= ln->distance();  in trim()
391       bottom -= ln->height();  in trim()
400   bottom = V0;  in reset()
402     bottom += ln->distance();  in reset()
404     bottom += ln->height();  in reset()
415   assert(b == bottom);  in check_bottom()
432   bottom = V0;  in output()
549   js.justify(col, &bottom);  in justify()