pragmas

[Noam Zeilberger <zeilberg@...>]

Why were conditional compilation pragmas taken out of Lua in 4.0?
Is there a different way to simulate the
#ifndef FOO
#define FOO
...
#endif
style for including chunks of code?  (I was doing this with
$ifnot FOO
FOO = 1
...
$end
)

Thanks,
Noam