From The Document Foundation Wiki

    As an RTL (Right-To-Left) AutoCorrect feature in Hungarian, words, numbers and some kind of punctuation are transliterated to Old Hungarian (or Szekler/Székely) writing, turning on the right to left writing direction using Writer’s Complex Text Layout support during typing. See this screencast about the usage: Hungarian, as well as an Old Hungarian template document with embedded Noto Old Hungarian font. tdf#133589 (László Németh)