gnucash-docs maint: Multiple changes pushed

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/d1c9c794 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/140296ef (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/912b0d15 (commit)



commit d1c9c79437f4337e712e09c6a9668ccc85f093b2
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sat Jun 25 00:14:55 2022 +0200

    Minor improvements on PR #264

commit 140296ef652037d32bb72b365c4a65e2147400f0
Author: Christian Wehling <christian.wehling at web.de>
Date:   Sat Apr 30 22:18:23 2022 +0200

    L10n:de: manual ch_Tools_Assistant: The "Close Book"



Summary of changes:
 docbook/gnc-docbookx.dtd               |   1 +
 manual/de/Help_ch_Tools_Assistants.xml | 200 ++++++++++++++++++++++-----------
 manual/de/figures/Tools_CloseBook.png  | Bin 0 -> 15709 bytes
 3 files changed, 137 insertions(+), 64 deletions(-)
 create mode 100644 manual/de/figures/Tools_CloseBook.png