User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.9) Gecko/20050711 Firefox/1.0.5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.9) Gecko/20050711 Firefox/1.0.5 It seems that browser.tabs.opentabfor.windowopen has no effect. See Reproduce below Reproducible: Always Steps to Reproduce: 0. Have browser.tabs.opentabfor.windowopen = true 1. go to www.linux.org 2. Click on the link for "LinuxHQ" at the bottom of the page Actual Results: A new window is opened Expected Results: A new tab should have been created Am I too stupid?
I have browser.link.open_newwindow = 3 instead, that seems to work... I don't think anyone reads the pref you're trying to use. See also: http://www.mozilla.org/support/firefox/tips#beh_tabbedbrowsingoptions which does tell you how to get the behaviour you want. Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b3) Gecko/20050713 Firefox/1.0+ Marking invalid based on the fact that the pref doesn't actually exist :)