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and redirect here. For other uses, see " (disambiguation) and ' (disambiguation).}} and redirect here. For the enclosed space, see Whitespace character and Space (punctuation). For (the underline character), see Underscore.}} Quotation marks, also called quotes, quote marks, quotemarks, speech marks and inverted commas, are punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase. The pair consists of an opening quotation mark and a closing quotation mark, which may or may not be the same character. Quotation marks have a variety of forms in different languages and in different media. == History == The double quotation mark is older than the single. It derives from a marginal notation used in fifteenth-century manuscript annotations to indicate a passage of particular importance (not necessarily a quotation); the notation was placed in the outside margin of the page and was repeated alongside each line of the passage. By the middle sixteenth century, printers (notably in Basel, Switzerland) had developed a typographic form of this notation, resembling the modern closing or right-hand double quotation mark. During the seventeenth century this treatment became specific to quoted material, and it grew common, especially in Britain, to print quotation marks (now in the modern opening and closing forms) at beginning and end of the quotation as well as in the margin; the French usage (see under Specific language features below) is a survival of this. In most other languages, including English, the marginal marks dropped out of use in the last years of the eighteenth century. The single quotation mark emerged around 1800 as a means of indicating a secondary level of quotation. 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「Quotation mark」の詳細全文を読む スポンサード リンク
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