bug#4041: 23.0.92; Emacs 23: buffer point is no longer frame-local

[martin rudalics <rudalics@gmx.at>]

 >> We'd have to handle two issues:
 >>
 >> (1) If a buffer is shown nowhere else and you `switch-to-buffer' to it,
 >>     you probably want it to show it at the actual position of `point' -
 >>     whatever that means for you.
 >>
 >> (2) If the buffer is already shown on another frame with `point' visible
 >>     it makes sense to `switch-to-buffer' at some position it earlier had
 >>     on the present frame.
 >>
 >> Whatever we did here, it would make `switch-to-buffer' behave
 >> inconsistently.
 >
 > But it'd be the natural thing to do, I think.

I can't tell because I'm a single-frame user.  The main argument in
favor of a "retain the previous point" strategy is that it makes no
sense to go to the same position already shown in another frame.  But
then what about doing C-x b in a window below another one already
showing the buffer I want to switch to?

 > People commonly use `C-x b' to switch buffers...

... and that's why I'm afraid of changing its semantics.  More so
because I never use C-x b.

We could make the behavior optional but I'd like to hear more comments
from other users first.  In any case this is a 24.2 project.

martin