Syntax rules for PFKTABxx

The following rules apply to the creation of PFKTABxx:
A Syntax Example:
PFKTAB TABLE(nnnnnnnn)
 
[         [{CMD({"cccccc[;cccccc]..."})}]          ]
[         [{   ({"cccccc"[,"cccccc"]..."})}]       ]
[         [{   ({'cccccc'[,'cccccc']...'})}]       ]
[PFK(xx)  [{    {'cccccc[;cccccc]...'} }][CON({Y})]]
[         [{                           }][    {N} ]]
[         [{KEY(kk[,kk]...)            }]          ]