@ skoal
Preservations are pretty simple ... just get those unique, out-of-print publications off their mostly inaccessible media (laserdisc, obsolete/old videotape), which is done anyway for restorations (or, as in my case, a rectification -- although that word doesn't really sing ... I must find a better label).
Anyway, I was thinking about your mention of the "Just what do you think you're doing, Dave?" edit/trim and was certain I heard that in the movie. Sure enough, I checked and it's still in there. At 1h:49m:31s, as Bowman angrily walks through the pod bay to disconnect HAL, HAL breaks the silence with those words ..
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@ PDB
Was the Apocalypse Now 1st showing a nationwide premiere or a main-theater sneak-peek (many films do that for final touch-up)? 2001:ASO not only was a premiere, but a simultaneous opening to the big Cinerama theaters across the country. When Kubrick made his famous final trims in/from New York, instructions were sent to those other theaters of where and what to cut for showings thereafter ... for the finalized film (credits untouched).