text: a charge of mutiny, and the offences that were automatically classified as grave or especially grave have been removed. New offences have been introduced to cover specific behaviour such as hostage-taking, barricading, fighting, obstructing a prison officer and endangering the personal safety of others. The principal aim of the revision throughout has been to simplify and clarify the range of offences. 154. The maximum loss of remission that a board of visitors can award was reduced on 1 April 1989. The maximum punishment for an adult offender in England and Wales was reduced from 180 days to 120 days on a single charge, and for the first time a maximum for a series of charges arising from one incident was set, at 180 days. The maximum for young offenders in England and Wales was set at 90 days for a single charge and 135 days for a series of charges arising from one incident. 155. Since 1 April 1989, the Home Secretary has the power to quash findings in England and Wales if'.he believes the findings unsatisfactory. Previously there was only a power to remit the punishment, which technically left the finding of guilt on the prisoner's record. 156. Since the last report, a judgement by the House of Lords in the case of Leech v. Deputy Governor of Parkhurst Prison (1988) and PrevQt v Deputy Governor of Long Lartin Prison (1988) had the effect of making governors' adjudications directly reviewable by the courts, in the same way as board of visitors' adjudications have been reviewable since the case of R v Board of "Visitors of Hull Prison ex parte St. Germain (1978). 157. The written guidance on the conduct of adjudications has been completely revised and updated and forms the basis of training for governors and boards who conduct adjudications. The guidance manual has been published; it is 
analysis: This text appears to be discussing changes to the rules and regulations surrounding prison discipline and adjudications in England and Wales. It mentions specific offenses, punishments, and the powers of the Home Secretary and governors. The language used is formal and technical, suggesting that the text is intended for an audience with a background in law or corrections.