Z:gnu-www-ja-javascript-trap--fa8bc3-Finally, we need to change fre/en

Finally, we need to change free browsers to detect and block nontrivial nonfree JavaScript in web pages. The program LibreJS detects nonfree, nontrivial JavaScript in pages you visit, and blocks it. LibreJS is an add-on for IceCat and IceWeasel (and Firefox).