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¥³¥Þ¥ó¥É: scroll-left count

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¥³¥Þ¥ó¥É: scroll-right count

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Function: window-hscroll &optional window

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window¤¬nil¤Ç¤¢¤ë¤È¡¢ÁªÂò¤µ¤ì¤Æ¤¤¤ë¥¦¥£¥ó¥É¥¦¤ò»È¤¦¡£

(window-hscroll)
     ⇒ 0
(scroll-left 5)
     ⇒ 5
(window-hscroll)
     ⇒ 5
Function: set-window-hscroll window columns

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Ìá¤êÃͤÏcolumns¤Ç¤¢¤ë¡£

(set-window-hscroll (selected-window) 10)
     ⇒ 10

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(defun hscroll-on-screen (window position)
  (save-excursion
    (goto-char position)
    (and
     (>= (- (current-column) (window-hscroll window)) 0)
     (< (- (current-column) (window-hscroll window))
        (window-width window)))))