Old Permic alphabet by usual writing. The inclusion of the latter aided the alphabet in greater acceptance among the medieval Permic speakers of the time. The alphabet was in use until the 17th century, when it was superseded by the Cyrillic script. Abur was also used as cryptographic writing for the Russian language. April 26, which is the saint's day of Stephen of Perm, is celebrated as Old Permic Alphabet Day. The Abur inscriptions are among the oldest relics of the Uralic languages. Only one of them has earlier documents: Hungarian, which had been written using the Old Hungarian script first before the
Siddhaṃ script single document. A input system which relies on the CBETA font Siddhamkey 3.0 has been produced. Siddhaṃ script was added to the Unicode Standard in June 2014 with the release of version 7.0. The Unicode block for Siddhaṃ is U+11580–U+115FF: Siddhaṃ script , also known in its later evolved form as Siddhamātṛkā, is a script used for writing Sanskrit from c. 550 – c. 1200. It is descended from the Brahmi script via the Gupta script and later evolved into the Assamese alphabet, the Maithili alphabet, the Bengali alphabet, and the Tibetan alphabet. There is some confusion over the spelling: