The issue seems to be one or more invisible BOM (zero-length nonbreaking spaces) character before the json string.
My guess is, this regression is related to our changing the way pdfs are indexed. Since Tiki18, we use a php library bundled with Tiki. Before, we relied on a command line executable. Sadly, reverting to the old way of putting the following in tiki-admin.php?page=fgal#contentfgal_admin-5 does not work:
application/pdf:
pdftotext -enc UTF-8 %1 -
Importance
8
Easy to solve?
5
Priority
40
Demonstrate Bug (Tiki 19+)
NONE
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About show2.tiki.org
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Wednesday 08 May, 2019 17:58:31 GMT-0000 by Jean-Marc Libs
LastModif
Friday 31 May, 2019 10:32:51 GMT-0000
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