$\varprojlim ^1$ throws error but $$\varprojlim ^1$$ does not
Enter the following on mathjax.org#demo
$\varprojlim ^1$
$$\varprojlim ^1$$The inline expression results in a math input error, the display expression renders as expected:
Enter the following on mathjax.org#demo
$\varprojlim ^1$
$$\varprojlim ^1$$The inline expression results in a math input error, the display expression renders as expected: