Merge branch 'master' into jgrpp

# Conflicts:
#	src/company_cmd.cpp
#	src/company_func.h
#	src/core/overflowsafe_type.hpp
#	src/engine.cpp
#	src/music/midifile.cpp
#	src/network/network_command.cpp
#	src/newgrf_debug_gui.cpp
#	src/newgrf_roadstop.h
#	src/newgrf_spritegroup.cpp
#	src/os/macosx/crashlog_osx.cpp
#	src/os/unix/crashlog_unix.cpp
#	src/pathfinder/yapf/yapf_common.hpp
#	src/road_gui.cpp
#	src/saveload/engine_sl.cpp
#	src/script/api/script_depotlist.cpp
#	src/script/api/script_roadtypelist.cpp
#	src/settings_gui.cpp
#	src/settings_type.h
#	src/strings.cpp
#	src/table/settings/game_settings.ini

docs/eints.md

@@ -25,6 +25,10 @@ The translators will decide whether, where and how to apply your suggestion.
 
 Sorry, we don't offer this option.
 
+Only when there is a consistency problem that needs addressing, this can be done via a PR.
+We are very strict about this, and in general all PRs making translation changes will be closed.
+But if it is really needed, and the change is not a revert of any older change, a PR can be created to do mass changes to a translation.
+
 ### I want to change the language definition (plural form, genders, cases) of a translation.
 
 Please [create an issue](https://github.com/OpenTTD/OpenTTD/issues/new/choose) for this.