Exempt-Medic noticed in this answer that the following sequence invokes MathJax: \\[MathJax!\\]

See it here in action: \[MathJax!\]

Our configuration ever since our original request to enable it was supposed to be \$this\$ for inline MathJax (\$this\$) and $$this$$ for blocks, but above \\[this\\] also invokes a block.

What's going on that \\[...\\] is invoking MathJax as well? Is it supposed to be doing that? Is this a bug or an expected feature?


1 Answer 1


According to this meta.se answer, \\[ ... \\] is one of the syntaxes used for “display style” math mode, the same environment as $$ ... $$.


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