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.

• (send a-drscheme:language:module-based-language use-namespace-require/copy?) -> boolean

  Defaultly returns #f.