Comma long sentences for clarity; however, this usage is regarded as an error in modern times. The comma and the quotation mark pairing can be used in several ways. In American English, the comma is commonly included inside a quotation mark: In Great Britain and many other parts of the world, punctuation is usually placed within quotation marks only if it is part of what is being quoted or referred to: There is also some difference regarding the use of the serial comma, which is an optional comma placed before the coordinating conjunction in a list of three or more items:
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