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27.11 ¿âľ¥¹¥¯¥í¡¼¥ë

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Variable: other-window-scroll-buffer

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User Option: scroll-margin

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User Option: scroll-step

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User Option: scroll-preserve-screen-position

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User Option: next-screen-context-lines

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(defun line-to-top-of-window ()
  "Scroll current line to top of window.
Replaces three keystroke sequence C-u 0 C-l."
  (interactive)
  (recenter 0))

(global-set-key [kp-multiply] 'line-to-top-of-window)