…has already fired. This is incredibly useful for complex AJAX applications, especially when combined with a script loader that uses holdReady. The specific use cases were:

1. Add a hold while processing certain types of AJAX response
2. Add a hold while the script loader loads any new includes from certain types of AJAX response

The result is that the ready event defers as expected for AJAX responses processed this way, opening the door to solve some of the more painful AJAX problems.

…e less ambiguous results.