otherwise). If
.Va variadic
is true, then the function is variadic.
+.Pp
+Note that old-style function declarations with non-empty identifier lists are
+not directly represented here: this is because they are syntactically identical
+to a prototype where every parameter is a typedef name. Since
+.Nm
+isn't a C compiler, there is no way for the parser to tell these two kinds of
+declarations apart.
.Sh ERROR HANDLING
Some functions in
.Nm