〃

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1. An iteration mark or "ditto mark" denoting the duplication of the word, words, sentence or paragraph above.

   Black pens, box of twenty ..... £2.10
   Blue   〃    〃  〃   〃   ..... £2.10
   

   • 2010, Peter Haring Judd, Elizabeth Wade White Papers Catalog and Finding Aid, Volume 1 (in English), New York Public Library, →ISBN, page 118:

     Ash Wednesday — T. S. Eliot

     Collected Poems — 〃    〃

Commonly used in lists, and frequently used in a chain spanning several items.

• In English this is called a ditto mark. In Mandarin it is called 同上符號／同上符号 (tóngshàng fúhào). In Japanese it is called ノノ点 (nonoten).

• " (”), —〃— (—"—), —
• do.

• Benjamin Drew (1871) “Punctuation”, in Hints and Helps for Those Who Write, Print, or Read, Boston, Mass.: Lee and Shepard, […]; New York, N.Y.: Charles T. Dillingham, page 95: “Two commas (usually turned) are often used instead of do. (ditto.)

  Carving	knives.	Book	of	History.
  Pocket	“	„	„	Chemistry.
  Case	“	„	„	Algebra.

  ”