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Try this search and hover on the empty tag the sidebar shows. You can also make your own query; try [tag] -[*].

enter image description here

The empty tag really shouldn't exist/be shown. If you search [*] it seems to recognize that's not a real search. It only lets you search the empty tag if you search [tag] -[*] or if you just construct a URL like I have above.

Hovering on the empty tag clears the page and presents this: enter image description here

And if you hover over it the page turns completely blank.

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Easter egg!! :) – Yuck Jan 17 '12 at 22:52
Wow. Repro'd on Chrome 17.0.963.33 beta-m on Windows XP. I hope this is not thrashing the server or anything :P – Matthew Read Jan 17 '12 at 22:54
In IE8 the screen instantly goes blank on hovering over the blank tag, with the only contents being: <DIV style="MARGIN: 15px 0px; MIN-HEIGHT: 220px" class=hireme></DIV> – Toomai Jan 17 '12 at 23:17
Blank screen on Firefox too, very nice find! – Benjol Jan 18 '12 at 6:34
Does this qualify for a hacker badge? :p hahahahahahah – jcolebrand Jan 18 '12 at 14:46
@jcolebrand only if you get a tag badge in [tag:*] – Ben Brocka Jan 18 '12 at 15:10
up vote 7 down vote accepted

There is now a secondary pass on the tag array to check for and strip these invalid "-" only tag names and remove them.

For example, /questions/tagged/- will now redirect to /questions as a result.

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Man, somebody's on a roll today! – Pëkka Feb 15 '12 at 12:05

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