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31.8.5 ¥­¥ë¥ê¥ó¥°¤ÎÆâÉô

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kill-ring                  ---- kill-ring-yank-pointer
  |                       |
  |                       v
  |     --- ---          --- ---      --- ---
   --> |   |   |------> |   |   |--> |   |   |--> nil
        --- ---          --- ---      --- ---
         |                |            |            
         |                |            |            
         |                |             -->"yet older text" 
         |                |
         |                 --> "a different piece of text" 
         |
          --> "some text"

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Variable: kill-ring

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Variable: kill-ring-yank-pointer

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User Option: kill-ring-max

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