Safe DOCX posture
Bookmark end
w:bookmarkEnd closes a bookmark range. safe-docx's advanced-record matrix
claims only bounded preservation around accept/reject and comparison, not
bookmark identity or consumer semantics.
ECMA-376 edition 5, Part 1 § 17.13.6.1
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Product posture and evidence for this normative section. The ECMA publication is the authority; this page reports only the pinned Safe DOCX projection.