core: add split of IRC messages for commands (de)op/halfop/voice in ChangeLog
irc: replace default prefix modes "qaohvu" by the standard ones "ov" when PREFIX is not sent by server (bug #39802)
doc: update german translations and user's guide
Merge branch 'master' of git://git.sv.gnu.org/weechat

#
# .git/MERGE_MSG
# merge
doc: update german auto-generated files
Merge branch 'master' of git://git.sv.gnu.org/weechat

#
# .git/MERGE_MSG
# merge
core: add syntax "@buffer:item" in bar items to force the buffer used when displaying the bar item (task #12717)
translation: update
Merge branch 'master' of git://git.sv.gnu.org/weechat

Conflicts:
	po/ja.po
translation: update