That is true. The release of the CD edition was 1. June 1987, exactly 20 years after the original album release.
However, 20 years is a long time and even though the remastering was very impressive state of the art work back in 1987, it still doesn't hold up today.
― Geir Hongro (geirhong), Friday, 1 December 2006 03:00 (seventeen years ago) link