-InsetMathColor::InsetMathColor(bool oldstyle, docstring const & color)
- : InsetMathNest(1), oldstyle_(oldstyle), color_(color)
+InsetMathColor::InsetMathColor(Buffer * buf, bool oldstyle,
+ docstring const & color)
+ : InsetMathNest(buf, 1), oldstyle_(oldstyle), color_(color)