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Marvin,
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Can you please cite a reference for this? I recall that's a feature of the Jasig CAS server specifically, not something defined in the protocol [1].</div>
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<div>It does seem to have made its way into the 3.0 protocol definition as an optional feature. Whether that’s the version being implemented here or what the standards process is, I have no clue. Here’s one of many instances of the text Brian cites.</div>
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<div><a href="http://jasig.github.io/cas/4.1.x/protocol/CAS-Protocol-Specification.html" class="">http://jasig.github.io/cas/4.1.x/protocol/CAS-Protocol-Specification.html</a></div>
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<div>Thanks,</div>
<div>Nate.</div>
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