Hello Andreas, this information is in the manual page, but not in the info files. The latter state e.g. for --no-run-if-empty, that this is a “GNU extension”.
Regards Дилян On Mon, 2019-04-15 at 18:54 +0200, Andreas Metzler wrote: > On 2019-04-15 Дилян Палаузов <dilyan.palau...@aegee.org> wrote: > > Hello, > > http://pubs.opengroup.org/onlinepubs/9699919799/utilities/find.html (Open > > Group Base Specifications Issue 7, 2018 > > edition) does not mention for find the -maxdepth option. > > • write in the documentation for -maxdepth that this is a GNU extension. > > Quote from find(1): > [list of options, etc.] > All other options, predicates, expressions and so forth are extensions > beyond the POSIX standard. Many of these extensions are not unique to > GNU find, however. >