Usually, when typing
[ a closing bracket is added automatically resulting in
 immediately. But when typing
^[ for example to add a footnote, no closing bracket is added automatically.
Steps to reproduce
Getting an auto paired
] afterwards, resulting in
I can’t reproduce. Post a ascreen recording of this happening in the help vaut.
Ah, found the error. It seems to be a macOS issue. When typing
^, it gets underlined signaling that typing a vocal next, results e.g. in
â. You can escape this mechanism by hitting
escape. If you do this, then the bug doesn’t occur. Nevertheless, I would regard this as a bug.
Here you can see how escaping leads to the expected behavior:
Search/post a bug report to codemirror.