bug#25577: 26.0.50; Show Ibuffer and jump to line listing current buffer

[Tino Calancha]

Tino Calancha <tino.calancha@gmail.com> writes:

>> This is handy when you have customized `ibuffer-saved-filter-groups',
>> and you have many lived buffers.
> To see more clear what i mean, try the following:
> emacs -Q lisp/subr.el src/data.c
>
> M-x ibuffer RET
> M-x ibuffer-set-filter-groups-by-mode RET
> j data.c RET RET ; Visiting data.c.
> C-x o; Visiting subr.el
> M-x ibuffer RET ; point still at data.c.
>
> When you have many live buffers, you might
> prefer that `ibuffer' automatically jump to the
> line showing the current buffer.
Added new command in master branch as commit:
0e355e781616936759cff8e6a46adb01760d4211