Issue RANGE-OF-COUNT-KEYWORD:NIL-OR-INTEGER Summary

• Function REMOVE, REMOVE-IF, REMOVE-IF-NOT, DELETE, DELETE-IF, DELETE-IF-NOT
  
• Function SUBSTITUTE, SUBSTITUTE-IF, SUBSTITUTE-IF-NOT, NSUBSTITUTE, NSUBSTITUTE-IF, NSUBSTITUTE-IF-NOT
  

Note: It is possible that there are other passages affected by this cleanup issue. This list is not part of the specification, and has not been formally audited for completeness by X3J13.