Github user hartig commented on the issue: https://github.com/apache/jena/pull/299 > That does not work because the `ParserProfileStd` supplied to `TurtleStarReaderRIOT` has already been created, which is why the suggestion is to use a forwarding proxy object (the wrapper) with public access to the "check" operations. In my implementation it would have worked because it is wrapping the earlier-created `ParserProfileStd` passed to the constructor of my `LangTurtle` specialization; see line 59 in https://github.com/RDFstar/RDFstarTools/blob/master/src/main/java/se/liu/ida/rdfstar/tools/parser/lang/LangTurtleStar.java#L59 Anyways, I understand that you want a more flexible solution. > Could you send in a pull request please? Will do.
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