Add EPUB 3 nav.xhtml TOC support #197
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- Add TocNavParser for HTML5 navigation documents - Detect nav document via properties=nav in OPF manifest - Try nav.xhtml first, fall back to NCX for compatibility - Books without TOC now load with warning instead of failing
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Summary
What is the goal of this PR? Add EPUB 3 support by implementing native navigation document (nav.xhtml) parsing with NCX fallback, addressing issue #143.
What changes are included?
TocNavParserfor parsing EPUB 3 HTML5 navigation documents (<nav epub:type="toc">)properties="nav"attribute in OPF manifestAdditional Context