Haiku in English with the one-line vertical column in which Japanese haiku are often printed, was lent legitimacy principally by three people: The single-line haiku usually contains fewer than seventeen syllables. A caesura (pause) may be appropriate, dictated by sense or speech rhythm (following the traditional Japanese tradition of a break, marked by the Kireji), and usually little or no punctuation. This form was used by John Wills and, more recently, has been practiced by poets such as M. Kettner, Janice Bostok, Jim Kacian, Chris Gordon, Scott Metz, Stuart Quine, John Barlow, and many others. As the last two examples in particular illustrate,
Japanese poetry by his own haiku poems. Such combination of haiku with painting is known as haiga. Waka underwent a revival, too, in relation to kokugaku, the study of Japanese classics. Kyōka (mad song), a type of satirical waka was also popular. One poetry school of the era was the Danrin school. Hokku renga, or of its later derivative, renku (haikai no renga). From the time of Matsuo Bashō (1644–1694), the hokku began to appear as an independent poem, and was also incorporated in haibun (in combination with prose). Haikai emerged from the renga of the medieval period. Matsuo Bashō was a