Template:hu-conj-gyek2/documentation

See, plus there is a named parameter "tesz", which is necessary because this verb (along with its prefixed forms) can form its archaic adverbial participle with two vowel-length variants: tevén and tévén (cf. iván vagy íván? by Mártonfi, Attila, Magyar Nyelvőr, 1996).

Also, "pref" can be used whenever there is a prefix, in accordance with the newer version of hu-conj(2).