It was explained recently by Greg M. at: http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/thread_display.html?forum_thread_id=16539
I tried it, and found it works on short url's only.
Earlier, Nia S. directed us to tinyurl.com, which shortens them up, and allows a link to their site to go on your tool bar. I wonder how she is doing with that Epic Malibu I sold her for a snow suit.
With the arthritis in the fingers, it is easier to just patch it in, and let the reader do likewise if interested. Just a few keystrokes for both of us, not much to it.
Whilst you guys are out there in the drifts, I am sitting by the wood stove playing the guitar to keep the fingers nimble. Hope you are enjoying it (the drifts, not the guitar playing).