* lisp/files.el (hack-one-local-variable-eval-safep):
Consider "eval: (foo-mode)" to be safe.
* doc/emacs/custom.texi (Specifying File Variables):
Deprecate using mode: for minor modes.
* etc/NEWS: Mention this.
* lisp/doc-view.el, lisp/net/soap-client.el:
Change "mode:" minor-mode file local variables to use "eval:".