git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1510681 13f79535-47bb-0310-9956-ffa450edef68
Possible approach to handling initial bindings (the code is not active because it has "if (false &&").

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1510684 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch upstream/$:{upbranch}