HRC manuscript notes (quoted in Burn, 2nd ed., notes 4–5 to ch. 3) show Wallace planning Pemulis as the DMZ vector…

This is planned-but-unwritten material: it appears in outline or margin notes but was never drafted as a scene.

In the published book. This material does not appear in the published book. Published shadow = endnote-scene n321 (Hal/Pemulis/DMZ), endnote-scene n332 (Pemulis expelled), John Wayne strands

Evidence. Independently corroborated. As planning direction by diff-ms-outline-18-19 ("Pemulis and DMZ") — two independent archival witnesses. Documented by Stephen Burn's Reader's Guide.

Bears on. This difference bears on the following open questions: did Hal ingest DMZ, and by what route (dosed / endogenous / self / none).