Steps to reproduce:

1. https://en.wikipedia.org/w/index.php?title=Arantxa_Rus&action=edit
2. Change page text to
   
   {{#property:P569}}

3. Click 'preview'.

Expected result:

13 December 1990

Actual result:

(empty)

The inclusion syntax page [1] has no notes on this.

Relevant links:
[1] Inclusion syntax page - https://meta.wikimedia.org/wiki/Wikidata/Notes/Inclusion_syntax
[2] Arantxa Rus on wikidata - https://www.wikidata.org/wiki/Q239758
[3] Date of birth on wikidata - https://www.wikidata.org/wiki/Property:P569

Version: master
Severity: normal