The following #ask call
{{#ask:
[[Category:News item]] [[News date::>{{#calendarstartdate:}}]] [[News date::<{{#calendarenddate:}}]] |?News date |format=calendar |template=Query/Scenario/Calendar/Template
}}
do not display any content via the template but instead produces:
Warning: Invalid argument supplied for foreach() in /srv/semantic-mediawiki_org/www/w/extensions/SemanticResultFormats/Calendar/SRF_Calendar.php on line 186
An actual example can be seen at [1] using Semantic Result Formats (Version 1.8 alpha) (r113946)
Version: unspecified
Severity: normal