This is a PPWIZARD command line switch.
PPWIZARD will sometimes make changes that will break things, if this is a relatively painful change a flag may be created to determine which way you would like things to work (the "OLD" way or the "NEW" way").
Note that these flags are intended to aid migration and will be removed in a future (not distant) release. You should update your code ASAP! The reason for this is that the PPWIZARD code is complicated by the support of both methods (and the old is generally more complex) and I would wish to simplify things before making further changes.
To keep things simple, I recommend you don't update PPWIZARD while you make use of the "/BC" switch.
The "PPWIZARD_OPTIONS" environment variable is a good place to specify this switch.
PPWIZARD will define the flags that are valid, currently there are:
It then changed to these being specified per mask. For backwards compatability the last occurance was used for any items that did not have a value associated with it.
PPWIZARD has gone one step further after 02.148, that is that the last occurance has no special significance, the /ExtnInfo switch is used to define defaults.
This flag will not make things 100% backwards compatable but you should have few if any problems.