Hey all, This is a small series to first add a general explanation for how $? is set by commands to the cmdline documentation and second remove the redundant information. The first patch adds this while removing the identical (and sometimes slightly wrong or incomplete) information from commands which had it. The last two patches remove the information from cases that were not quite as clear, to make review easier. The commands which either do something different or provided additional information about what counts as success or failure have been retained.
-- Tom
