The fluid.each function has an incorrect comment indicating that it can be terminated. However, this is not the case, as it cannot be terminated.

https://github.com/fluid-project/infusion/blob/master/src/framework/core/js/Fluid.js#L459

see discussion in channel from Jan 26, 2015
https://botbot.me/freenode/fluid-work/2015-01-26/?tz=America/Toronto