WHITE HOUSE SAYS A TRANSCRIPT ERRS
White House deputy press sec Gerald L Warren acknowledges that part of edited transcripts of Watergate tapes were erroneously transcribed; says 3 pages of transcripts covered 2 different versions of same part of conversation between Pres Nixon and Asst Atty Gen Henry E Petersen on Apr 16 '73; Washington Post says 2 typists apparently transcribed same part of 2-hr meeting and their versions of what was said are quite different; 2 versions include following differences: 1 uses 'President' the other uses 'press'; ex-FBI Acting Dir L Patrick Gray appears as 'Gray' and as 'they'; 'you' appears as 'we' and 'bah' appears as 'act' (S)