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The ditto mark (″)〔(【引用サイトリンク】url=http://www.oxforddictionaries.com/definition/english/ditto-marks )〕 is a typographic symbol indicating that the word(s) or figure(s) above it are to be repeated. For example: : The word ''ditto'' comes from the Tuscan language, where it is the past participle of the verb ''dire'' (to say), with the meaning of “said”, as in the locution “the said story”. The first recorded use of ditto with this meaning in English occurs in 1625.〔(Definition at The Free Dictionary )〕 Early evidence of ditto marks can be seen on a cuneiform tablet of the Neo-Assyrian period (934 – 608 BC) where two vertical marks are used in a table of synonyms to repeat text,〔 and :File:Library of Ashurbanipal synonym list tablet.jpg〕 while in China the corresponding mark is two horizontal lines (二); see iteration mark. ==Unicode== Unicode has defined the ditto character as . In practice, however, from the typewriter era stems that closing double quotation marks (”) or straight double quotation marks (") are often used instead. The abbreviation ''do.'' is also used . The character is to be used in CJK scripts only.〔(【引用サイトリンク】url=http://www.unicode.org/reports/tr24/tr24-19.html#Script_Extensions )〕〔(【引用サイトリンク】title=ScriptExtensions.txt )〕〔(【引用サイトリンク】title=CJK symbols and Punctuation )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ditto mark」の詳細全文を読む スポンサード リンク
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