This Dired-X feature is obsolete as of Emacs 24.1. The standard Emacs directory local variables mechanism (see Directory Variables in The Gnu Emacs manual) replaces it. For an example of the new mechanisms, see Omitting Variables.
When Dired visits a directory, it looks for a file whose name is the
value of variable
dired-local-variables-file (default: .dired).
If such a file is found, Dired will temporarily insert it into the Dired
buffer and run
For example, if the user puts
Local Variables: dired-actual-switches: "-lat" dired-omit-mode: t End:
into a file called .dired in a directory then when that directory is viewed it will be
You can set
nil to suppress this.
The value of
dired-enable-local-variables controls if and how these
local variables are read. This variable exists so that it may override the
default value of
Please see the GNU Emacs Manual to learn more about local variables. See Local Variables in Files in The GNU Emacs Manual.
The following variables affect Dired Local Variables
nil, file name for local variables for Dired. If Dired finds a
file with that name in the current directory, it will temporarily insert it
into the Dired buffer and run
Controls the use of local-variables lists in Dired. This variable
temporarily overrides the value of
the Dired Local Variables are hacked. It takes the same values as that
variable. A value of
nil means to ignore any Dired Local Variables.