Commit 0fe1b87ed4dfc6ddd9e3b21b413ab1197dba1042

Bruno Haible 2019-06-10T14:08:28

doc: Mention nextdown, nextup. * doc/posix-functions/nextdown.texi: New file. * doc/posix-functions/nextdownf.texi: New file. * doc/posix-functions/nextdownl.texi: New file. * doc/posix-functions/nextup.texi: New file. * doc/posix-functions/nextupf.texi: New file. * doc/posix-functions/nextupl.texi: New file. * doc/gnulib.texi (Function Substitutes): Include them.