[Tagging] landuse: illegal and illegal:yes/no

[McGuire, Matthew]

>On Fri, Apr 1, 2011 at 10:56:50 +200 Peter Gervai <grinapo at gmail.com> wrote:
>>On Wed, Mar 30, 2011 at 13:56, Serge Wroclawski <emacsen at gmail.com> wrote:

>>Serge> 2. Carries a lot of weight. It's a serious thing to accuse
>>Serge> someone/something of being illegal.

>Peter>I disagree, please help to find a different word then.


How about, "de facto", "unofficial", "unauthorized" or "informal"?