Punctuation vowel of the word. Arabic, Urdu, and Persian—written from right to left—use a reversed question mark: , and a reversed comma: . This is a modern innovation; pre-modern Arabic did not use punctuation. Hebrew, which is also written from right to left, uses the same characters as in English, and . Originally, Sanskrit had no punctuation. In the 17th century, Sanskrit and Marathi, both written using Devanagari, started using the vertical bar to end a line of prose and double vertical bars in verse. Punctuation was not used in Chinese, Japanese, and Korean writing until the adoption of punctuation from
Comma Other ascender letters with carons, such as letters "ȟ" (used in Finnish Romani and Lakota) and "ǩ" (used in Skolt Sami), did not modify their carons to superscript commas. In 16th-century Guatemala, the archaic letter cuatrillo with a comma (Ꜯ, ꜯ) was used to write Mayan languages. Comma The comma is a punctuation mark that appears in several variants in different languages. It has the same shape as an apostrophe ( ' ) or single closing quotation mark in many typefaces, but it differs from them in being placed on the baseline of the text. Some typefaces render it as