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 composition. Shiki's revisionism dealt a severe blow to renku and surviving haikai schools. The term "hokku" is now used chiefly in its original sense of the opening verse of a renku, and rarely to distinguish haiku written before Shiki's time. Haibun is a combination of prose and haiku, often autobiographical or written in the form of a travel journal. Haiga is a style of Japanese painting based on the aesthetics of haikai, and usually including a haiku. Today, haiga artists combine haiku with paintings, photographs and other art. The carving of famous haiku on natural stone to make poem monuments