is a variable defined in `
Its value is
Filename, as string, containing local Dired buffer variables to be hacked.
If this file found in current directory, then it will be inserted into dired
buffer and `hack-local-variables' will be run. See Info node
`(emacs)File Variables' for more information on local variables.
See also `dired-enable-local-variables'.
You can customize this variable.