Z:gnu-www-ja-fdl-howto-opt--85aa97-The classical example of an in/en

The classical example of an invariant nontechnical section in a free manual is the GNU Manifesto, which is included in the GNU Emacs Manual. The GNU Manifesto says nothing about how to edit with Emacs, but it explains the reason why I wrote GNU Emacs&mdash;to be an essential part of the GNU operating system, which would give computer users freedom to cooperate in a community. Since the GNU Manifesto presents the principles of the GNU Project, rather than features of GNU Emacs, we decided that others should not remove or change it when redistributing the Emacs Manual, and we wrote that requirement into the license. In effect, we made the GNU Manifesto into an invariant section, though without using that term. To do this today using the GNU FDL, we would write the license notice like this: