bug#57848: 29.0.50; Problems with private tab-line-tab-name-function

[Juri Linkov]

>> Actually, I remember questions about how to customize the tab-line
>> to be similar to some other editors where new file tabs are always
>> opened at the end.
>
> My main problem is that the automatic change of the sorting order
> of the tab-line (as a side effect of selecting a buffer or whatever) is
> confusing because I can't find the tab later by just remembering its
> position.

This is because of how window-prev-buffers behaves.  We could fix this
behavior to not change the order of the existing window-prev-buffers
after selecting a buffer that already exists in window-prev-buffers,
or at least to add an option to do so.