'Twas a "test" to 'remember' in the '90s.

‘Twas a “test” to ‘remember’ in the ’90s.

It was --- in a sense --- really... interesting.

It was — in a sense — really… interesting.

I -- too -- met << some curly quotes >> there or <<here>>No space.

I – too – met « some curly quotes » there or «here»No space.

She was 6\"12\'.

She was 6"12'.