I had to add using lyx::odocstream;
at the top of InsetMathMBox.C, but now I get: InsetMathMBox.C..\..\..\lyx-devel\src\mathed\InsetMathMBox.C(76) : error C2664: 'LyXText::write' : cannot convert parameter 2 from 'lyx::odocstream' to 'std::ostream &'
Any ideas? Regards, Asger
