Text Reuse: Can't create AND queries

[mduering]

when trying to add another keyword the previous set of keywords gets replaced, not possible to have keywords1 AND keyword2

query: https://dev.impresso-project.ch/app/text-reuse/statistics?p=1&sq=CgIYAgq%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%3D&vis=trnewspapers_vs_newspapers