bug#57863: 29.0.50; Feature request: display project name in buffer-menu

[Juri Linkov]

>> Is there an option to display the project's name in the buffer menu? I
>> didn't see any option like that in the buffer-menu.el file, hence I
>> have opened up this feature request.
>
> You mean in the buffer you get after saying `C-x C-b'?
>
> I think that sounds useful, but it's already a pretty full buffer.  And
> most people don't use projects, so it couldn't be a column displayed by
> default.
>
> But perhaps we could put the project name into one of the existing
> columns?  Like -- a parenthesis after the mode?
>
> Anybody have any opinions here?

Wasn't migrating of buff-menu to tabulated-list intended
to allow easy addition of more columns by the users?
Then buff-menu could have a customizable additional
columns for tabulated-list-format, and a hook
to add more tabulated-list-entries for every buffer.