Github user ajs6f commented on a diff in the pull request: https://github.com/apache/jena/pull/423#discussion_r189391950 --- Diff: jena-arq/src/main/java/org/apache/jena/sparql/expr/nodevalue/NodeFunctions.java --- @@ -254,28 +254,33 @@ public static String lang(Node node) { } // -------- langMatches + /** LANGMATCHES - first argument is a language string */ --- End diff -- Ah, I didn't know that, but at least I just learnt about `LANGMATCHES`!
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