bug#19259: 25.0.50; Be able to use `compare-windows' in either direction

[Lars Ingebrigtsen]

Drew Adams <drew.adams@oracle.com> writes:

> Especially when `compare-windows' is used repeatedly (e.g. bound to a
> repeatable key etc.), it can be helpful to be able to sometimes
> compare backward, toward bob, instead of always forward, toward eob.
> Please add this enhancement.

A few days after this bug report (apparently),
`compare-windows-get-window-function' was added:

commit 96e6fd3c155b1851e0acd477789535a45b8d3187
Author:     Juri Linkov <juri@linkov.net>
AuthorDate: Fri Dec 5 02:50:41 2014 +0200

    Compare with the most recently used window by default.
    
    * lisp/vc/compare-w.el (compare-windows-get-window-function):
    New defcustom.

This can be redefined by the user to respond to `C-u' and the like, so I
don't think there's anything more to do here, and I'm closing this bug
report.

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