Though Ruby makes it confusing AF because there are two quoting types for both strings and symbols, and they're different. (%Q %q %W %w %i) I can never remember which does which.... the letter choice feels really arbitrary.
This means that you can even quote the delimiter in the string as long as it's balanced.
$X=q( foo() )
Should work if it's balanced. If you choose a different pair like []{} then you can avoid hitting collisions. It also means that you can trivially nest quotations.
I agree that this qualified quotation is really underutilized.