. _:vb50822936 . . "Requirements for Tibetan Text Layout and Typography" . _:vb50822935 . . _:vb50822937 . . _:vb50822935 . _:vb50822936 "Chunming Hu" . _:vb50822936 . "2020-06-16" . _:vb50822937 . _:vb50822935 "Richard Ishida" . _:vb50822937 .