Difference between in-line "instead" and "rule fails"?

[matt_weiner (matt w)]

@zarf

“instead” and “stop the action” end the rule in failure, which stops the current rulebook. “rule fails” ends the rulebook in failure, which stops it and also sets its outcome value to failed.

No, there’s no good way to remember this.

Hmm, I think this contradicts the following from WI 19.11:

if rule failed:
This condition is true if the most recently followed rule ended in failure. Example:

follow the hypothetical clever rule;
if rule failed:
…
Note that this is not the opposite of “rule succeeded”, because there’s a third possibility: that it ended with no outcome.

which suggests to me that in both examples “rule failed” should test to true, because the most recently followed rule (the pointless rule for jumping) failed. Or is it that in the first case, the most recently followed rule was whatever rule it is that invoked the rulebook, which ended with no outcome?

In any case, I will file this as a documentation bug, because it’s confusing as all get-out.