Script Summary: Cleaner for wikipedia content (removes links and more). By Hex.
Cleaner for wikipedia content (removes wikipedia links,  links, Table of Contents etc.). It's very flexible (you can choose to leave external links, for example).
Then, the cleaned content can be copied to any text editor to make your homework or whatever.
-New! you can now unclean the content right away!
-New! There is a FF Extension version of this user script in the homepage.