Script Summary: Cuts out "- Wikipedia, the free encyclopedia" from the title of wikipedia articles and thereby helps to save precious space on the tabbar.
this 'script' (2 lines) will give you the best results when you set a variable tab width in your browser (the "tab mix plus" extension might be useful for that task)
should work with most wikipedias/languages.
i've also written an add-on for firefox which does essentially the same, but is more flexible (works on all sites; not only wikipedia) and is being invoked in an earlier stage of the page load, so the old title won't appear on the tab any more.
https://addons.mozilla.org/firefox/addon/7863
