Punctuation of Irony

Source: Point d'ironie - Wikipédia*

*Invented by the French writer Alcanter de Brahm at the end of the 19th century, the point d'ironie is a punctuation mark, which can be used at the end of sentences (like an exclamation point or question mark) to indicate to the reader the ironic phrases in the text

LINK:
http://www.pointdironie.com/