- modify groff_1.22.2-2.debian.diff - remove the part related to
src/preproc/html/pre-html.cpp, fixes bnc#755533

- update to groff 1.22.2
* gropdf: A new driver for generating PDF output directly,
contributed by Deri James and written in Perl
* The -mom macro package has reached version 2.0, focusing on
PDF output with gropdf (using the new `pdfmom' wrapper script).
See the file`version-2.html' of the -mom documentation for a list
of the many changes.
* pdfmom: A new wrapper around groff that facilitates the production of PDF
documents from files formatted with the -mom macros.
* and a lot more, see NEWS for details
- obsoletes:
config-guess-sub-update.patch, dtto
groff_1.21-6.debian.diff, replaced by
- added groff_1.22.2-2.debian.diff
- create a stripped-down version of groff usable for viewing of manual pages
- new groff-full package contains the rest of groff tools capable to work with
images, html or pdf. It contains the devx fonts, thus obsoletes groff-devx
it aims to fix bnc#755533 - grohtml built without pnm* tools in PATH
- gxdview.spec is removed as gxdview is built from groff-full.spec
- verify the tarball using gpg-offline - this is done in groff-full only
to retain a limited list of dependencies for base groff

- config-guess-sub-update.patch: Update config.guess/sub for aarch64

With -Tascii8, "\(:u" for ü won't work.

- update to groff 1.22.2