┌───────────────────────────┐
 │ Invalid PUBLIC definition │
 └───────────────────────────┘

 ■ The identifier was made public through a
   PUBLIC directive in assembly language, but
   it has no matching EXTERN declaration in
   the Pascal program or unit.

 ■ Two or more PUBLIC directives in assembly
   language define the same identifier.

 ■ The .OBJ file defines PUBLIC symbols that
   do not reside in the CODE segment.