Github user dkuppitz commented on the issue: https://github.com/apache/tinkerpop/pull/950 Reminder: Merge #949 first, then rebase this PRs branch and fix `PTest` (include differing number tests for `Contains` predicates). https://github.com/apache/tinkerpop/pull/949/files#diff-dc8c8777ab12a44729fc5f2c9c255c66R115
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