http://mathstore.ac.uk/mathml/rowlett.html
Dalla sezione 3, "Web browser support for MathML", si legge:
Opera claims no support for MathML. Opera Customer Service, 2002 states: "For this version [7], we have concentrated on standards that will actually improve browsing for most users," claiming: "you have to be in pretty special circles to even stumble upon [MathML]." It is unclear whether Opera support for MathML will be available in the future.
Se ti è possibile, rimpicciolisci l'avatar a dimensioni accettabili, almeno 80x80 pixel.