Chrome Version       : 5.0.356.0 (41807) Ubuntu
URLs (if applicable) : http://identi.ca/notice/25115155 (the link under Attachments)
Other browsers tested:
Add OK or FAIL after other browsers where you have tested this issue:
     Safari 4:  N/A
  Firefox 3.x:  NO
         IE 7: N/A
         IE 8: N/A

What steps will reproduce the problem?
1. click on the Attachments link with middle mouse

What is the expected result?
to open on a new tab in background, like Chromium 4 and FF do.

What happens instead?
a pop up shows, but now new tab.

Please provide any additional information below. Attach a screenshot if
possible.