This morning: investigating Blackboard Test. Currently: no idea what to do with this error message
In reply to @christianp
BB test export stores MathML in an XML attribute by replacing <> with «» and double quotes with ¨ (that's a diaresis). WHAT COULD GO WRONG
In reply to @christianp
I assume more than one person was involved in designing and implementing this, so it's astonishing that none of them had heard of CDATA