is a variable defined in `
Its value is
- This variable is obsolete since 24.1;
this feature is due to be removed.
- This variable may be risky if used as a file-local variable.
Alist of major modes and their opinion on `default-directory'.
Each element has the form (MAJOR . EXPRESSION).
The function `dired-default-directory' evaluates EXPRESSION to
determine a default directory.