As a spaniard I comment the news on my blog
http://mipapyreebookreader.blogspot....algo-util.html
The facts: publishers asked for it because digital books make 8% volume for publishing industry, which is quite strong because of Hispanic America trade.
The legal trick is made by applying the priviledged VAT rate of 4% for "cultural goods". The "digital book" is treated as "book" instead of beign treated as "digital". That makes a 12% discount difference from the universal rate of 16%.
"Underground" commentators say that the ministry of culture, Gonzalez-Sinde, former movie director, has done this in order to be more popular with the websphere, which has been very active against her because her opposition to P2P, SGAE copyright protection taxes, and other non popular measures.
She was called "SINDEscargas" (a joke with her family name meaning "No downloads")