Už jsem se internetu správně zeptal a dostal odpověď: select2 bere parametry jako atributy data-camel-case-vec=cosi (stejné jako select2({camelCaseVec: cosi}))
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id="tspan141408-9">Důležitý je celý postup, </tspan><tspan
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id="tspan61014">nejen výsledek.</tspan></text>
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