/etc/xul-ext/autofill-forms.js is in xul-ext-autofill-forms 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | // Place your preferences for xul-ext-autofill-forms in this file.
// You can override here the preferences specified in
// /usr/share/xul-ext/autofill-forms/defaults/preferences/autofillForms.js
|