Unverified50% confidenceCautionExact time

EPUB's table of contents file (NCX or nav.xhtml) only describes the navigation structure and may be inconsistent with the spine order, so it cannot serve as the source of truth for reading order.

1

Sources

50%

Confidence

Long-term

Relevance

10/17/2026

First Seen

Sources

PPTX Conversion Pitfall: Slide Order Comes from XML Index, Not Filenames

rss10/17/2026

Related Entities

EPUBconcept NCXconcept

Related Claims

UnverifiedA large number of EPUBs in the wild are not valid, so the team implemented a fallback strategy: first attempt strict XML parsing, and on failure use the lxml.html parser.59% similar

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