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* M8: Retire inherited redaction resources * Redaction: pin inherited resources only on redacted pages, shared by reference localize_resources rewrote every page in the document on every apply and copied a direct inherited /Resources dictionary into each one, so a large document grew by N x the dict. Now only redacted pages that inherit resources are pinned; a direct inherited dictionary is made one indirect object and shared by reference. The parent's /Resources is retired when no other page still inherits it (the leak fix), and kept (through the shared reference) when an unredacted page still draws with it. A /Parent chain that can't be followed or disagrees with the page tree retires nothing. Tests: an unredacted page is left untouched and the rewrite is bounded; redacting every inheriting page retires the parent's resources. ROADMAP entry moved into the revision-history table. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Brandon Thomas <echelon@gmail.com> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>