18.14. Error Handling exit_on_error (boolean) If true, any error will terminate the current session. By default, this is set to false, so that only FATAL errors will terminate the session. ========================================
It's default parameter is 'OFF' not 'FALSE'
I suspect there are many other instances where the docs use "true/false" to describe a boolean configuration variable while "show" displays "on/off". restart_after_crash on this same page is one easy to find example.
Is there actual confusion here or is this a matter of being exact? false == off when dealing with a boolean parameter as described at: