@end deffn
@deffn {Scheme Procedure} include-deprecated-features
-Return @code{#t} iff deprecated features should be included
-in public interfaces.
+Return @code{#t} if deprecated features should be included in public
+interfaces, or @code{#f} otherwise.
@end deffn
@deffn {Scheme Procedure} issue-deprecation-warning . msgs
@deffn {Scheme Procedure} valid-object-procedure? proc
@deffnx {C Function} scm_valid_object_procedure_p (proc)
-Return @code{#t} iff @var{proc} is a procedure that can be used with @code{set-object-procedure}. It is always valid to use a closure constructed by @code{lambda}.
+Return @code{#t} ff @var{proc} is a procedure that can be used with @code{set-object-procedure}. It is always valid to use a closure constructed by @code{lambda}.
@end deffn
@deffn {Scheme Procedure} %get-pre-modules-obarray
@deffn {Scheme Procedure} %compute-slots class
@deffnx {C Function} scm_sys_compute_slots (class)
Return a list consisting of the names of all slots belonging to
-class @var{class}, i. e. the slots of @var{class} and of all of
+class @var{class}, i.e.@: the slots of @var{class} and of all of
its superclasses.
@end deffn