Re: patch for optional inhibit of delete-other-windows(IDE feature)

 >>Also very helpful could be to save not only the window-configuration of the
 >>whole frame but also to save and restore the current subwindow-configuration
 >>of a certain window
 >
 > Yes, we want this feature but I don't think we have it yet.  IIUC it
 > shouldn't be too difficult to add it to the Elisp implementation of

Elisp, really?  That is, using `split-window'z?  IIUC that's precisely
what Klaus has implemented for ECB.

 > window configurations (which also provide the ability to save a config
 > on a frame and restore it on another frame, or in another Emacs session
 > altogether),
 >
 > That reminds me: is there any progress on this front?

There was never any consensus on any format.