MathML formula torture test (from Mozilla)

 1 ${x}^{2}{y}^{2}$ 2 ${}_{2}{F}_{3}$ 3 $\frac{x+{y}^{2}}{k+1}$ 4 $x+{y}^{\frac{2}{k+1}}$ 5 $\frac{a}{b/2}$ 6 ${a}_{0}+\frac{1}{{a}_{1}+\frac{1}{{a}_{2}+\frac{1}{{a}_{3}+\frac{1}{{a}_{4}}}}}$ 7 ${a}_{0}+\frac{1}{{a}_{1}+\frac{1}{{a}_{2}+\frac{1}{{a}_{3}+\frac{1}{{a}_{4}}}}}$ 8 “choose” and “binom” are discarded. “shrink-inline” causes a problem  9 see #8 ${x}^{2}{y}^{p-2}-\frac{1}{1-x}\frac{1}{1-{x}^{2}}$ 10 $\sum _{\begin{array}{c}0\le i\le m\\ 0\le j\le n\end{array}}P\left(i,j\right)$ 11 ${x}^{2y}$ 12 $\sum _{i=1}^{p}\sum _{j=1}^{q}\sum _{k=1}^{r}{a}_{ij}{b}_{jk}{c}_{ki}$ 13 $\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+x}}}}}}}$ 14 mathi is converted to ⅈ $\left(\frac{{\partial }^{2}}{\partial {x}^{2}}+\frac{{\partial }^{2}}{\partial {y}^{2}}\right){|\phi \left(x+iy\right)|}^{2}=0$ 15 ${2}^{{2}^{{2}^{x}}}$ 16 large spacing after intergral sign (font problem?) ${\int }_{1}^{x}\frac{dt}{t}$ 17 double integral converted to “iint” ${iint}_{D}dxdy$ 18 19 “$k$ times” is inside an msup instead of mover 20 ${y}_{{x}^{2}}$ 21 22 see #19 23 $\left(\begin{array}{cc}\left(\begin{array}{cc}a& b\\ c& d\end{array}\right)& \left(\begin{array}{cc}e& f\\ g& h\end{array}\right)\\ 0& \left(\begin{array}{cc}i& j\\ k& l\end{array}\right)\end{array}\right)$ 24 $\mathrm{det}|\begin{array}{ccccc}{c}_{0}& {c}_{1}& {c}_{2}& \dots & {c}_{n}\\ {c}_{0}& {c}_{2}& {c}_{3}& \dots & {c}_{n+1}\\ {c}_{0}& {c}_{3}& {c}_{4}& \dots & {c}_{n+2}\\ ⋮& ⋮& ⋮& & ⋮\\ {c}_{n}& {c}_{n+1}& {c}_{n+2}& \dots & {c}_{2n}\end{array}|$ 25 ${y}_{{x}_{2}}$ 26 ${x}_{92}^{31415}+\pi$ 27 ${x}_{{y}_{b}^{a}}^{{z}_{c}^{d}}$ 28 primes are converted as three separate ' elements instead of one . ${y}_{3}^{\text{'}\text{'}\text{'}}$ 29 ${lim}_{n\to +\infty }\frac{\sqrt{2\pi n}}{n!}{\left(\frac{n}{e}\right)}^{n}=1$ 30 $\mathrm{det}\left(A\right)=\sum _{\sigma \in {S}_{n}}ϵ\left(\sigma \right)\prod _{i=1}^{n}{a}_{i,{\sigma }_{i}}$