bug#28826: 27.0.50; Ibuffer filters should be idempotent

[Tino Calancha]

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

> emacs -Q
> M-x ibuffer RET
> /n s RET
> /n s RET ; again
> ;; ibuffer-filtering-qualifiers contains twice the filter
> ;; You can read on top:
> ;; Ibuffer by recency [buffer name: s] [buffer name: s]
>
Fixed in master branch as commit "Make ibuffer filters idempotent"

(ee6fe8378a28444cb4913abca4af742f736e9b45)