[rules-users] Get previous fact from working memory.

[tungl]

Thanks Vincent, but when I do it like this:


It's sufficient that EVENT2 has happened anywhere before EVENT1.

So EVENT1, EVENT2 => false, false
EVENT2, EVENT1 => false, true (that's right, but:)
EVENT2, EVENT1, EVENT1 => false, true, true (?)

How do I fix that?

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