Umberto Eco on cult movies

I'm currently scanning/rereading Eco collection of writings titled "Travels in Hyperreality," which includes many of his best nonfiction writings, including my favorite on semiotic guerilla warfare, but this examination of what makes "Casablanca" a cult movie is still kickass. There are a few variations of this essay on the Net which you can find by googling
Umberto Eco Casablanca text
but you want the one which includes the phrases "intertextuality" in the title, such as this page which asked for a password but seemed to load anyway
http://davidlavery.net/Courses/Coens/ECO.DOC

A useful phrase for readers and reviewers

Again, from Umbie, regarding his review of a book on modern art which he seems to think may have been a bit narrow-minded and reactionary:

"If you are clever enough at this point to skip several chapters of the book, many traumata of reading will be eliminated..."