About the Mystery of the Letters the mid-6th century, in which Mar Saba had played an important role. The anonymous author of the treatise declares he was prompted to the study of the secret meanings of the letters by the words of the Apocalypse, "I am the Alpha and Omega", and that he subsequently received a vision about them on Mount Sinai. The author proposes a re-modelled Greek alphabet reduced to 22 letters on the model of the 22 letters of Hebrew (discounting Xi Ξ and Psi Ψ), and with the Hebrew letter names. He then interprets these letters as symbolic figures of 22 works of
Unicode and HTML for the Hebrew alphabet Unicode and HTML for the Hebrew alphabet The Unicode and HTML for the Hebrew alphabet are found in the following tables. The Unicode Hebrew block extends from U+0590 to U+05FF and from U+FB1D to U+FB4F. It includes letters, ligatures, combining diacritical marks ("niqqud" and cantillation marks) and punctuation. The Numeric Character References is included for HTML. These can be used in many markup languages, and they are often used on web pages to create the Hebrew glyphs presentable by the majority of web browsers. Note I: The ligatures are intended for Yiddish. They are not used in Hebrew.<br> Note II: