The copy of the White Album I have has a rather unusual track listing, including: Glass Scallion While My Ukelele Gently Weeps Piglets Short, Short, Short Could mine be the rare compressed version?
After reading the full story just now, it makes more sense to me and I can see Harrison getting involved (fixing what he saw as a pretty serious error).
Ken Mansfield was there when George remastered it and details it in his book, so unless he was hallucinating it definitely happened.
From the linked BEATLES MONTHLY article: "According to Eirik “The Norwegian” Wangberg, this work took place at Sound Recorders Studio on Yucca Street, which was located around the corner from the Capitol Tower. And it wasn’t done by Capitol’s engineers, but by Sound Recorders’ Armin Steiner, assisted by Carl Frisk, while George was waiting in their lounge." Mr. Steiner is still with us. Somebody should ask about it.