I’ve been reading Rob Fahrni’s weblog via his RSS feed. Since I’m using AmphetaDesk as my RSS reader — actually my modified AmphetaMailer — I recently noticed a problem with the validity of his RSS feed. In this case it was a simple matter of some unencoded characters. (AmphetaDesk in its current release is appropriately picky about RSS feeds being valid XML.) Along with a guess at Rob’s movie line of the week, I mentioned the RSS problem I found. I’ve done this several times in the past with different sites and have usually found the site author to be…