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:
Punctuation Rs. 20/- or Rs. 20/= implies 20 rupees whole. Thai did not use punctuation until the adoption of punctuation from the West in the 20th century. Blank spaces are more frequent than full stops or commas. "Further information: Armenian punctuation, Chinese punctuation, Hebrew punctuation, Japanese punctuation and Korean punctuation." In 1966, the French author Hervé Bazin proposed a series of six innovative punctuation marks in his book "Plumons l'Oiseau" ("Let's pluck the bird", 1966). These were: An international patent application was filed, and published in 1992 under Work Order (WO) number WO9219458, for two new punctuation marks: the "question comma"