User:Physikerwelt/sandbox

$$1$$

Q35875 $$\cal x $$ \sum_{i=0}^\infty \frac1{2^i}=2

c&p demo
$$\left(\sin(x)\right)^2 + \left(\cos(x)\right)^2 = \sin^2 x + \cos^2 x = 1 $$

\mu _{G} (x) = \mathop \vee \limits_{\alpha :x \in \Phi _\alpha \left( {A_\alpha ^1, \cdots ,A_\alpha ^n } \right)_\alpha } \alpha

mhchem depr
$$ \and \or \C \H $$$$%$$

https://phabricator.wikimedia.org/T185033

 * renders wrongly. It seems to me that X^{2+} is detected as "unusual" and the fallback logic (omitting all spaces) is applied.
 * works fine. I double checked, X^{2+} is definitely covered by the strict simplified mhchem grammar.