See perl5 to perl6
GWbasic to Qbasic to VB to VB.net
you either make a clean break or keep all the warts, Either way folks are going to be unhappy.
Keep the warts, COBOL, Fortran, C, C++, PHP, Excel
wait wuh? i thought these were just two of the dozen variants of the BASIC dialect... interesting!
Hence why a lot of people back in the day felt that Visual Basic .NET should be called Visual Fred instead :-P