1. Set site name to something containing a special character: (Moodle & news) for example
2. Create a new user and check the Generate password and notify user button
3. Finish creating the user
4. Check welcome email

Expected output: *A new account has been created for you at 'Moodle & news'
and you have been issued with a new temporary password.*

Actual output: *A new account has been created for you at 'Moodle & amp; news' (without space)
and you have been issued with a new temporary password.*