Although in the written English language there is no standard way to denote irony or sarcasm, several forms of punctuation have been proposed. Among the oldest and frequently attested are the percontation point invented by English printer Henry Denham in the 1580s, and the irony mark, used by Marcellin Jobard in an article dated June 11th, 1841 and commented in a 1842 report. It was furthered by French poet Alcanter de Brahm in the 19th century. Both of these marks were represented visually by a backwards question mark, ⸮ (in Unicode: ). Using LaTeX, one can display it by including the ...