Implement -exec-jump

[Tom Tromey]

>>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:

Eli> We had no problems until now with requesting docs (and a test case)
Eli> together with the code.  Why should we deviate from that now?

I agree.

I think we should strive to keep standards high, where they matter.
Documentation and test cases fall into this category.

I realize this adds a cost to many patches; I feel this pain myself.

Tom