> >>> There is the conception of mozilla and many text editors that changing
> a
> >>> tab means to pass to other web page or other file to edit.
> >> What does "changing a tab" mean?  Do you mean pushing some graphical
> >> object with the mouse or replacing one graphical object with another?
> >
> >
> > Yes. Not necessarily with the mouse. You can call a lisp function to
> > commute to a new tab. In firefox you can commute to the next tab using
> > C-PgDn .
>
> IIUC in firefox you have something like a "currently active tab" which
> is higlighted and confers to the page currently shown in the firefox
> frame.  In Emacs we can do something similar for tabs conferring to the
> buffer currently shown in a window or the selected window.  Highlighting
>

This is one possibility.


> the tab conferring to "save the current window configuration" doesn't
> make much sense to me.  So if the last tab action we activated was such
> a save we probably shouldn't highlight the associated tab.  But then
> moving ("commuting") to the next tab will happen without visual feedback
> from where we started moving.  Think of doing C-PgDn and the next tab is
> a "restore window configuration" tab.


In order to be able to restore a window configuration you have to save it
first.



>
>
> > Every time when you commute to a tab, the lisp function associated to the
> > 'show event is called.
>
> In firefox moving to the next tab means showing the associated page.
> What is the 'show event for "restore window configuration"?


Restoring the saved window configuration, for example.




> > In mozilla you can install lots of kind of bars. And there is no doubt
> that
> > the tabs are still useful. In mozilla the tabs are used for current-open
> > pages.
>
> And that's well-defined IMHO.  Doing something different might be
> tricky.
>
>
Emacs-devel is created for people to talk and take a decision how to define
the tabs


Alin