Updated LineMarker Rated 5 out of 5 stars
thanks for developing this useful marker, I think the best one available. It features permanent highlighting while still respecting users privacy, and the colors even are fully customizable (RDF file in the FF profile, using CSS).
As another add-on developer I hope you continue working on it....
However, for now I made it compatible with at least FF 5 and 6, also fixed quite many issues, e.g. forgetting highlights on FF restart.
My updated LineMarker version is available here: http://netticat.ath.cx/MyAddons/MyAddons.htm#3rdpartyaddons