[rules-users] Difference between join type XOR and Discriminator

[David Sinclair]

Anyone give me a better explanation of the differences between these two
joins node types? Per the documentation

*XOR means that it continues if one of its incoming branches has been
completed.

**Discriminator means that it continues if one of its incoming branches has
been completed. *

Reading this, they seem to be the same thing.

thanks
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