Re: Removing line and column number settings from some buffers

[Jean Louis]

> > What I want to do is to change the Mode Line, but then revert back to how it
> > was in that buffer, by continue pressing same keybinding.  Can I store the
> > old setup and then put it back again.
> 
> Have got some code to cycle commands.  Shall try to dig that out.  But I don't
> know much about changing the mode line.

For session based storage, you may use the Emacs built-in library
`ring' as it has cycling features, you store anything in ring variable
and you can take it back and cycle through it.