For V. 1.0:
type about:config in address bar. Then find browser.tabs.showSingleWindowModePrefs
right click on it and select toggle. Set to true.
then go to tools > options > advanced
You will notice a new option to force links to open in tabs.
Got this tip from Mozillazine.
Last edited by DeafFlyer; Dec 4, 2004 at 6:15 am