Haiku such as "kyo" () may look like two syllables to English speakers but are in fact a single "on" (as well as a single syllable) in Japanese. In 1973, the Haiku Society of America noted that the norm for writers of haiku in English was to use 17 syllables, but they also noted a trend toward shorter haiku. Shorter haiku are very much more common in 21st century English haiku writing. Some translators of Japanese poetry have noted that about 12 syllables in English approximate the duration of 17 Japanese "on". Also in translations four lines is more appropriate for
Haiku Mexican poet José Juan Tablada is credited with popularising haiku in his country, reinforced by the publication of two collections composed entirely in that form: "Un dia" (1919), and "El jarro de flores" (1922). In the introduction to the latter, Tablada noted that two young Mexicans, Rafael Lozano and Carlos Gutiérrez Cruz, had also begun writing them. They were followed soon after by Carlos Pellicer, Xavier Villaurrutia, and by Jaime Torres Bodet in his collection "Biombo" (1925). Much later, Octavio Paz included many haiku in "Piedras Sueltas" (1955). Elsewhere the Ecuadorian poet and diplomat Jorge Carrera Andrade included haiku among