K version in Q

Hello,

Are there any materials with description of K in current Q version?

I see that is not the same like in?K 3.1 2004-01-28 version.

For example: x/:t works like join (why?), but it does not work in K 3.1.

Thank you,


? Alexander.

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Everything I do not understand in Q I check in the old K version :). And 90% of things are still the same, except cases like I mention.