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 even today in the "haiku" tradition. The Japanese preface by Ki no Tsurayuki is also the beginning of Japanese criticism as distinct from the far more prevalent Chinese poetics in the literary circles of its day. (The anthology also included a traditional Chinese preface authored by Ki no Tomonori.) The idea of including old as well as new poems was another important innovation, one which was widely adopted in later works, both in prose and verse. The poems of the "Kokin Wakashū" were ordered temporally; the love poems, for instance, depict the progression and fluctuations of a courtly love-affair. This