GNU Emacs function recenter-top-bottom

[Stephen J. Turnbull]

Steve Youngs writes:
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 > * Mats Lidell <matsl at xemacs.org> writes:
 > 
 >   > GNU Emacs also have the feature header-line. A line similar to
 >   > mode-line except at the top of the window. Example Info-mode creates
 >   > one for the navigation links Prev, Up etc. Should we introduce that
 >   > to?
 > 
 > This sounds like XEmacs gutters to me.  And yes, gutters can be used for
 > more than just buffer tabs.

Unfortunately, gutters (like the menubar and toolbar) are frame
elements, not window elements.

I have always mildly disagreed with that decision, but that's the way
it is.  I don't know how much work it would be to change it, and it
would probably mess with things like the buffer tabs.