User:Physikerwelt/sandbox/T132660

\dots are not rendered consistently within <math><\math> in wikipedia.org. e.g. in

${\mathcal {U}}_{1},{\mathcal {U}}_{2},\dots \in {\mathcal {A}}$

the dots are rendered to the bottom of line as required. But in

${\mathcal {U}}_{1},{\mathcal {U}}_{2},\dots$

The dots are rendered as in \cdots