File local variables in Emacs are used in a way similar to Vim
modelines. For example, at the end of the file you might find something
like the following:
%% Local Variables:
%% erlang-indent-level: 2
%% something-weird: t
%% End:
The `erlang-indent-level' variable in this list instructs the Erlang
mode to use two columns per indentation level. But since the
`something-weird' variable is likely unknown, both may be ignored.
By default, Emacs in batch mode ignores all variable/value pairs if it
encounters at least one that is not known to be safe. Setting
`enable-local-variables' to `:safe' tells Emacs to use only safe values
and ignore the rest.
This fixer performs indentation with the Erlang mode for Emacs.
The Erlang mode is maintained in the Erlang/OTP source tree. It indents
some things differently than the Vim indent plugin, and provides more
customization options.
