local line_cache = State.line_cache[loc1.line]

  for i=#State.line_cache[loc1.line].screen_line_starting_pos,1,-1 do
    local spos = State.line_cache[loc1.line].screen_line_starting_pos[i]

  for i=#line_cache.screen_line_starting_pos,1,-1 do
    local spos = line_cache.screen_line_starting_pos[i]