gnucash-docs maint: Multiple changes pushed

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/937e8a81 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/924164ff (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/4751e484 (commit)



commit 937e8a817547d10b623bae7c3acbcf834fb4b276
Merge: 4751e484 924164ff
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sun Apr 17 04:08:24 2022 +0200

    Merge PR #258

commit 924164ff6435cd1113fd2a01dfd9dfa388349408
Author: Christian Wehling <christian.wehling at web.de>
Date:   Sat Dec 18 16:23:10 2021 +0100

    dtd-docbook: add more translatable GUI elements (menuitems)



Summary of changes:
 docbook/gnc-locale-C.dtd       | 163 ++++++++++++++++++++++++++++++++++++++++-
 docbook/gnc-locale-de.dtd      |  54 +++++++++++++-
 manual/de/Help_ch_GUIMenus.xml |  16 ++--
 3 files changed, 220 insertions(+), 13 deletions(-)