Companion site — Limited tracking to passages that depend on a platform, standard, law, or calendar that may change.
The register only renews notions whose accuracy can change after publication: platform parameters, browser policies, standards, and regulatory calendars.
Sustainable principles remain in the book. The register only serves to signal external changes that may require precision, note, or erratum.
Each entry links to a real passage or an explicitly noted lacuna in the manuscript, then to an official source and the precise element that must be reverified.
An entry is linked to errata only if published text has become inaccurate. A simple evolution to monitor is not presented as a book error.
| Concept | Chapter and Page | Passage or topic to monitor | Official source | Last verification | Impact | Element to verify | Action |
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