"some America-hating or subversive text may have been replaced out or simply omitted."
Times-Roman IBM Selectric superscript, anyone?
Hey, it almost worked for Dan Rather!
Remember the torn up "suicide note" that somehow was found in one of Vince Foster's briefcases at the WH six days after he was murdered, and after a thorough search of that same briefcase days earlier? Well, that "suicide note" was determined to be a clumsy forgery by three world-class forensic document examiners. Judging by its content and the time and place it was found, HRC is the prime suspect in masterminding that hoax - according to the late Reed Irvine of Accuracy in Media.