Rated 4 out of 5 stars

ద్వారా GiPiero పై జూలై 10, 2012 · పెర్మాలింక్

Very useful addon for me, but for me it would be very useful if I could choose on which page formats enable it.
For example I could choose to enable it only for .txt files opened with firefox, but not for .html, .php, etc...pages.