Potentially unexpected behavior when `maxruns` is not set but `jointp` and `minruns` are

[megan-k-ayers]

If my understanding is correct (I'm new to Stata!), in this case maxruns defaults to 1, so rerandomization will continue until the number of tries hits minruns even if the jointp criteria is met.

Ideally users are looking at the default values and realize this, but one idea to make this clearer is to force the user to specify maxruns and minruns if jointp is set rather than using the default.