ENDCASE EMPTY-BUFFERS ENDOF
ENDCASE ( comp-value -- )  
smart-word ansi .6.2.1342 <CORE>
ends a CASE construct that may surround multiple sections of OF ... ENDOF code-portions. The ENDCASE has to resolve the branches that are necessary at each ENDOF to point to right after ENDCASE

reference: p4_endcase in ../src/core.c:2196, export CS ENDCASE