Redacted email shows as ` [email%20address]`

As per https://www.whatdotheyknow.com/request/low_value_purchase_system_nill_r#incoming-3327170

<img width="649" height="243" alt="Screenshot showing the error." src="https://github.com/user-attachments/assets/98ad0a6e-b9f3-438c-aad6-70acacab0744" />

This shouldn't be percent encoded.