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(mouse-scroll-subr): Handle if window-end returns nil.

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Richard M. Stallman 1998-03-14 08:20:37 +00:00
parent 65627aad68
commit 0320e66f47
1 changed files with 7 additions and 5 deletions
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12
lisp/mouse.el
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@ -478,11 +478,13 @@ Upon exit, point is at the far edge of the newly visible text."
(progn
(set-window-start window (point))
(if (natnump jump)
(progn
(goto-char (window-end window))
;; window-end doesn't reflect the window's new
;; start position until the next redisplay. Hurrah.
(vertical-motion (1- jump) window))
(if (window-end window)
(progn
(goto-char (window-end window))
;; window-end doesn't reflect the window's new
;; start position until the next redisplay.
(vertical-motion (1- jump) window))
(vertical-motion (- (window-height window) 2)))
(goto-char (window-start window)))
(if overlay
(move-overlay overlay start (point)))