use-namespace-require/copy? in drscheme:language:module-based-language<%>
The result of this method controls how the module is
attached to the user's namespace. If
the method returns #t,
the mzscheme primitive
namespace-require/copy
is used and if it returns #f,
namespace-require
is used.
( -> booleansend a-drscheme:language:module-based-language use-namespace-require/copy?)
Defaultly returns #f.