I don't have the specific context for "Template:PD-old-100-expired" that you've referenced, so I cannot accurately describe what it is or why it matters without inventing details. To provide you with an accurate 2-sentence overview based only on available information, I would need you to provide the actual template documentation or context.
AI-generated from the Wikipedia summary — may contain errors.
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).