/* Do this even if LINES is 0, so that we move back to the
beginning of the current line as we ought. */
if (XINT (lines) == 0 || IT_CHARPOS (it) > 0)
/* Do this even if LINES is 0, so that we move back to the
beginning of the current line as we ought. */
if (XINT (lines) == 0 || IT_CHARPOS (it) > 0)