frameset-filter-params
frameset-filter-params is a compiled Lisp function in `frameset.el
'.
(frameset-filter-params PARAMETERS FILTER-ALIST SAVING)
Filter parameter alist PARAMETERS and return a filtered alist.
FILTER-ALIST is an alist of parameter filters, in the format of
`frameset-filter-alist' (which see).
SAVING is non-nil while filtering parameters to save a frameset,
nil while the filtering is done to restore it.