> Hmm, isn't this covered by the "common debhelper options" section in > the debhelper(7) manual page? I believe that this is the reason it is > not mentioned in any of the separate commands' manual pages.
You may be confusing "shared options" and "common options". The section you are refering to starts with: The following command line options are supported by some debhelper programs. See the man page of each program for a complete explanation of what each option does. Other tools either document --all or ignore it.