Hello,
It's necessary to tell the system to not encode the macro strings using the
encode directive set to
false.
It can look like this:
<p><strong>Event: {%EventName|(encode)false%}</strong></p>
<p><em>{%EventSummary|(encode)false%}</em></p>
<p>{%EventDetails|(encode)false%}</p>
<p><strong>Location:</strong><br />
{%EventLocation|(encode)false%}</p>
<p><strong>Date:</strong><br />
{%EventDateString|(encode)false%}</p>
The code above can be added/edited via the 'Booking system - Event invitation' template in the
Site Manager -> Development -> E-mail templates.
Best regards
Ondrej Vasil