New condition to be used when SETF has an odd number of arguments.
New condition to be used when SETF has an odd number of arguments.

vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL