Merge branch 'master' into jgrpp

# Conflicts:
#	src/cargotype.h
#	src/core/CMakeLists.txt
#	src/core/span_type.hpp
#	src/fileio.cpp
#	src/fios.cpp
#	src/misc/endian_buffer.hpp
#	src/misc_gui.cpp
#	src/saveload/saveload.h
#	src/saveload/vehicle_sl.cpp
#	src/screenshot.cpp
#	src/settings.cpp
#	src/settings_internal.h
#	src/stdafx.h
#	src/string_func.h
#	src/strings.cpp
#	src/strings_func.h
#	src/strings_internal.h

src/strings.cpp

@@ -132,7 +132,7 @@ void SetDParamMaxDigits(size_t n, uint count, FontSize size)
  * Copy the parameters from the backup into the global string parameter array.
  * @param backup The backup to copy from.
  */
-void CopyInDParam(const span<const StringParameterBackup> backup, uint offset)
+void CopyInDParam(const std::span<const StringParameterBackup> backup, uint offset)
 {
 	for (size_t i = 0; i < backup.size(); i++) {
 		auto &value = backup[i];