bug#30747: Emacs lacks a command to horizontally recenter

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> Since lines are generally not all of the same width, such horizontal
> scrolling can only guarantee to center one line, and sometimes cannot
> center it at all (if it's narrower than the window).  I wonder whether
> the OP indeed understands what he will get as result of implementing
> this feature.

The centring would be based on the current line, yes.  But horizontal
centring is mostly useful when you have a display that's much wider than
your window width, which can happen i deeply nested threads in Gnus, for
instance.

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