1 /EDIT
Specifies that the EDIT command directory search list established
with a previous SET SOURCE/EDIT command be canceled. This command
should only be used if the EDIT command has its own specific
directory search list.
2 /MODULE
/MODULE=module-name
Specifies that the directory search list for a specific module
established with a previous SET SOURCE/MODULE command be
canceled. This qualifier should be used only if the module-name
module has its own specific directory search list.