That much stacking of opening parentheses is never seen, only ))))))).
Typing )))... is easy; just hold down the ) key to repeat, and watch the cursor jump back and forth due to parenthesis-matching. When it flicks back to the correct target, release, and backspace over any overshot parens.
Typing )))... is easy; just hold down the ) key to repeat, and watch the cursor jump back and forth due to parenthesis-matching. When it flicks back to the correct target, release, and backspace over any overshot parens.