which-func-imenu-joiner-function

which-func-imenu-joiner-function is a variable defined in `which-func.el'.
Its value is

#[(x) "\301!@\207" [x last] 2]

• This variable may be risky if used as a file-local variable.

Documentation:
Function to join together multiple levels of imenu nomenclature.
Called with a single argument, a list of strings giving the names
of the menus we had to traverse to get to the item. Returns a
single string, the new name of the item.