[lemma=a] [lemma=link] [!word=□] □ □
[lemma=a] [lemma=link] [!word=in] □ □
[lemma=a] [lemma=link] [!word="/"] □ □
They're abbreviating their URLs , using the mod_rewrite Apache module , so that a link like " / N " redirects to " mysite.com/content/unregistered/News " .