The law distinguishes between liability flowing from acts and omissions, and liability flowing from misstatements. It was difficult to determine if there were omissions as well as inconsistencies. No errors were found, though there were significant omissions. Guderian's memoirs contained numerous exaggerations, untruths and omissions. These writers purported to identify errors, exaggerations, and omissions in her research. These are not intentional omissions meant to offend anyone. In addition, there were occasional editing errors that led to embarrassing omissions. Thomas also accused officer "W70" of inconsistencies and omissions in testimony. It is also mandatory for advisers to carry errors and omissions insurance. All editions until recently are corrupt, with numerous omissions, printing errors and confused citations. A QI should be bonded and insured against errors and omissions. But more important are the numerous obvious omissions, and ambiguities in presentation. They may seem like omissions or mistakes at first. Courts tend to be stricter when considering whether omissions or statements are wrongful. Direct effects include repetition of syllables, mispronunciations, omissions, and omitted word endings.