SCM aval = scm_cdar (aprop);
SCM bval = scm_cdar (bprop);
if (scm_caar (aprop) != scm_caar (bprop)
- || (!(unsmob_input (aval) && unsmob_input (bval))
+ || (!(Input::unsmob (aval) && Input::unsmob (bval))
&&
!to_boolean (scm_equal_p (aval, bval))))
return SCM_BOOL_F;