- safe-environment-macro-set! ENVIRONMENT ID PROCprocedure
Defines or changes the macro-expander procedure for the macro with the name ID to PROC, which should be a procedure of one argument, the list of arguments (unevaluated) passed to the macro.
Defines or changes the macro-expander procedure for the macro with the name ID to PROC, which should be a procedure of one argument, the list of arguments (unevaluated) passed to the macro.