Now that libselinux defaults to PCRE2 and mcstrans has been ported,
update all documentation and scripts.
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Use codespell (https://github.com/codespell-project/codespell) in order
to find many common misspellings that are present in English texts.
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>