bug#33871: 27.0.50; Revert Dired window saved in window configuration

[martin rudalics]

> Ok, let's add new code to separate functions
> 'window-set-context' and 'window-use-context'.
> Below is the patch with these new functions.
> Maybe they could be moved from tab-bar.el to window.el?

I think you should do that.  Maybe 'window-restore-set-context' and
'window-restore-use-context' would be more indicative names.

Note that when a buffer is killed, the values of its local variables may
be lost.  I don't know whether this is an issue here.  Alternatively, we
could have 'set_window_buffer' set the 'context' window parameter from
the buffer-local value which would, however, mean that whenever one
changes the buffer-local value, one would have to simultaneously update
the parameters in all windows showing that buffer.  Something that could
be done with the help of an advice, though...

martin