gnucash-docs stable: Release Documentation for GnuCash 5.16

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/7cdbef98 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/1dfefaf3 (commit)



commit 7cdbef98d73eb9cd117a0cabda84d47bd513dd67
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Jun 27 10:47:19 2026 -0700

    Release Documentation for GnuCash 5.16



Summary of changes:
 C/guide/index.docbook    | 11 +++++++++++
 C/manual/index.docbook   | 13 ++++++++++++-
 CMakeLists.txt           |  2 +-
 ChangeLog                |  8 ++++++++
 NEWS                     |  5 +++++
 de/guide/index.docbook   | 12 +++++++++++-
 de/manual/index.docbook  | 12 +++++++++++-
 docbook/gnc-docbookx.dtd |  6 +++---
 it/guide/index.docbook   | 13 ++++++++++++-
 it/manual/index.docbook  | 14 +++++++++++++-
 ja/guide/index.docbook   | 14 +++++++++++++-
 pt/guide/index.docbook   | 14 +++++++++++++-
 pt/manual/index.docbook  | 14 +++++++++++++-
 zh/guide/index.docbook   |  9 +++++++++
 14 files changed, 135 insertions(+), 12 deletions(-)