This causes errors in translation from a vernacular source or into colloquial language. Medieval poetry may mix Latin and vernacular languages. These verses are one of the earliest literary attestations of the spoken Cappadocian vernacular. This is one of Europe's oldest epics written in a vernacular language. Chaucer is sometimes considered the source of the English vernacular tradition. There was great interest in graceful poetry and vernacular literature. Many literary works of authors from Montenegro provide examples of the local Montenegrin vernacular. It is slightly larger than the Philippine literature in the vernacular languages. Several constructed languages exist based on English, which have never been adopted as a vernacular. Classical Chinese has more pronouns compared to the modern vernacular. Critical regionalism is not simply regionalism in the sense of vernacular architecture. Wycliffe advocated translation of the Bible into the common vernacular. Manuscripts written in both Latin and the vernacular remain. James was the first great sponsor and patron of vernacular Catalan literature. It also has visible timber framing, a trademark of vernacular Tudor style architecture.