This Dired-X feature is obsolete as of Emacs 24.1. The standard Emacs
directory local variables mechanism (@pxref{Directory
Variables,,,emacs,The Gnu Emacs manual}) replaces it. For an example of
-the new mechanims, @pxref{Omitting Variables}.
+the new mechanisms, @pxref{Omitting Variables}.
When Dired visits a directory, it looks for a file whose name is the
value of variable @code{dired-local-variables-file} (default: @file{.dired}).