filesets-conditional-sort
filesets-conditional-sort is a compiled Lisp function in `filesets.el
'.
(filesets-conditional-sort LST &optional ACCESS-FN)
Return a sorted copy of LST, LST being a list of strings.
If `filesets-sort-menu-flag' is nil, return LST itself.
ACCESS-FN ... function to get the string value of LST's elements.