Quote:
Originally Posted by HarryT
I must admit that I still don't really "get" why this is really necessary. Why does it take more memory to "process" a long book than a short one, when all that one needs to display is the current page? It doesn't seem to be an issue with any other book format.
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Its because of the way CSS works. In order to correctly apply CSS rules, the entire XHTML tree must be parsed into memory.