((null spacing)
(setq spacing 0)))
(cons (/ (car pair) (frame-char-width frame))
- (/ (cdr pair) (+ (frame-char-height frame) spacing))))))))
+ (- (/ (cdr pair) (+ (frame-char-height frame) spacing))
+ (if (null header-line-format) 0 1))))))))
(defun posn-actual-col-row (position)
"Return the actual column and row in POSITION, measured in characters.