Fuco1/dired-hacks — pull request #23 by markus1189 (2014-12-01 12:14:06+00:00)
Title: [filter] Don't push if the filter is already active

Currently the filter is just pushed, so that I have e.g. `[omit] [omit] [omit]` (which is not THAT useful ;) ).

I am not sure if the simple member check suffices however after a quick manual test it works for me currently.

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Best,
Markus