in reply to Win32 unthreaded perl builds: To USE_MULTI or not ?

What do USE_MULTI and USE_IMP_SYS bring to an unthreaded perl?

Are you sure you'll never need the fork emulation?

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]