This allows to format Japanese furigana (aka ruby) notation.
Present in XHTML 1.1, HTML 5 and later. Absent in XHTML 1.0, HTML 4 and earlier.
This allows to format Japanese furigana (aka ruby) notation.
Present in XHTML 1.1, HTML 5 and later. Absent in XHTML 1.0, HTML 4 and earlier.