Slightly better error message for malformed formal parameters (duplicate and non-identifiers are signaled properly).
to record constructors.
define-record-type proceedures. Record constructors are now called "a-record-constructor" Record predicates are called "a-record-predicate" Record accessors are called "a-record-accessor" Record mutators are called "a-record-mutator"
accordingly.
Abdulaziz Ghuloum