move_it_by_lines (&it, -1, 0);
it.vpos = 0;
- if (XINT (lines) != 0)
- move_it_by_lines (&it, XINT (lines), 0);
+ /* Do this even if LINES is 0, so that we move back
+ to the beginning of the current line as we ought. */
+ move_it_by_lines (&it, XINT (lines), 0);
SET_PT_BOTH (IT_CHARPOS (it), IT_BYTEPOS (it));
}