Marcus Harnisch <marcus.harnisch(a)gmx.net> writes:
XEmacs 21.5.28 doesn't have it
and neither does Emacs 22.2.1 (the latter from Ubuntu 8.10).
Rubbish! What was I thinking? Here is the docstring.
,----[ enable-local-variables ]
| enable-local-variables is a variable defined in `files.el'.
| Its value is t
| Control use of local variables in files you visit.
| The value can be t, nil, :safe, :all or something else.
| A value of t means file local variables specifications are obeyed
| if all the specified variable values are safe; if any values are
| not safe, Emacs queries you, once, whether to set them all.
| (When you say yes to certain values, they are remembered as safe.)
|:safe means set the safe variables, and ignore the rest.
|:all means set all variables, whether safe or not.
| (Don't set it permanently to :all.)
| A value of nil means always ignore the file local variables.
| Any other value means always query you once whether to set them all.
| (When you say yes to certain values, they are remembered as safe, but
| this has no effect when `enable-local-variables' is "something else".)
| This variable also controls use of major modes specified in
| a -*- line.
| The command M-x normal-mode, when used interactively,
| always obeys file local variable specifications and the -*- line,
| and ignores this variable.
| You can customize this variable.
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