Punctuation two styles differ mainly in the way in which they handle quotation marks, particularly in conjunction with other punctuation marks. In British English, punctuation such as periods and commas are placed outside the closing quotation mark; in American English, however, punctuation is placed inside the closing quotation mark. This rule varies for other punctuation marks; for example, American English follows the British English rule when it comes to semicolons, colons, question marks, and exclamation points. Other languages of Europe use much the same punctuation as English. The similarity is so strong that the few variations may confuse a native English
Irony punctuation mark was used earlier by Marcellin Jobard in an article dated June 11, 1841, and commented in an 1842 report. Hervé Bazin, in his 1966 essay "Plumons l'Oiseau" (“Let's pluck the bird”), used the Greek letter ψ with a dot below for the same purpose . In the same work, the author proposed five other innovative punctuation marks: the “doubt point” , “conviction point” , “acclamation point” , “authority point” , and “love point” . In March 2007, the Dutch foundation CPNB "(Collectieve Propaganda van het Nederlandse Boek)" presented another design of an irony mark, the "ironieteken": (). Tom Driberg