Hua

I only noticed the changes in feature branch `feat-datatables-searchpanes-structured-queries` after composing #975 - not sure whether my fix conflicts with your on-going constructions Update: reading changes happening in #968 ,...

> ...Do you have a chance to test this as well [#968](https://github.com/SemanticMediaWiki/SemanticResultFormats/pull/968) ?... For the current status of the feature branch, I run into: ``` {"exception":"[object] (RuntimeException(code: 0): Identifier must...