For QuickBBS editors, the default will be the same as previous behavior: to
convert Soft-CRs to Hard-CRs (CRLFs).
For non-QuickBBS editors, the default will be to treat Soft-CRs as any other
valid printable character in the text ("Retain").
A 3rd option is available to strip Soft-CRs completely from the generated
message text.