This once again does NOT compile. I've done work on macros; they don't work yet..

src/c/payloads/exception.c

@@ -12,10 +12,3 @@
 #include "memory/pso.h"
 #include "payloads/exception.h"
 
-/**
- * @param p a pointer to an object.
- * @return true if that object is an exception, else false.
- */
-bool exceptionp( struct pso_pointer p ) {
-    return ( get_tag_value( p ) == EXCEPTIONTV );
-}