Ticket tag ; free text "content" instead of "key" ?

Hello,
The OTRS documentation lists a number of possible tags that can be
included in notification emails. A series of tags are related to
FreeText (see ref.), which will display the key value for a given
FreeText item.
For example, given :
TicketFreeKey1 ; key = locale, content = Localisation
TicketFreeText1 ; key = ca, content = Canada
Result :
participants (1)
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Daniel Maher