filesets-set-default

filesets-set-default is a compiled Lisp function in `filesets.el'.

(filesets-set-default SYM VAL &optional INIT-FLAG)

Set-default wrapper function used in conjunction with `defcustom'.
If SYM is in the list `filesets-ignore-next-set-default', delete
it from that list, and return nil. Otherwise, set the value of
SYM to VAL and return t. If INIT-FLAG is non-nil, set with
`custom-initialize-set', otherwise with `set-default'.