https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg195130.html
Reported the \it behaviour to maxima bugzilla.
https://sourceforge.net/p/maxima/bugs/3181/
\begin_layout Itemize
\change_inserted 5863208 1465782942
-\begin_inset Formula $powerseries\left(-\log\left(5-x\right),x,1\right)=\sum_{{\it i_{1}}=0}^{\infty}{\frac{4^{-{\it i_{1}}-1}\,\left(x-1\right)^{{\it i_{1}}+1}}{{\it i_{1}}+1}}-\log\left(-1\right)$
+\begin_inset Formula $powerseries\left(-\log\left(5-x\right),x,1\right)=\sum_{{\mathit i_{2}}=0}^{\infty}{\frac{4^{-{\mathit i_{2}}-1}\,\left(x-1\right)^{{\mathit i_{2}}+1}}{{\mathit i_{2}}+1}}-\log4$
\end_inset