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## Summary * Extract EPUB TOC into temp file before parsing * Streaming ZIP -> XML parser uses up a lot of memory as we're allocating inflation buffers while also holding a few copies of the buffer in different forms * Instead, but streaming the inflated file down to the SD card (like we do for HTML parsing, we can lower memory usage) ## Additional Context * This should help with https://github.com/daveallie/crosspoint-reader/issues/60 and https://github.com/daveallie/crosspoint-reader/issues/10. It won't remove those class of issues completely, but will allow for many more books to be opened.