<math display="block" forcemathmode="5"> \operatorname{erfc}(x) =
\frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt =
\frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2y}}</math>gives
when selected in VE
The problem being that VE tries to generate a highlight for every descendent in the DOM tree.
