... in many places where the function call will later need to be between
modules (or libraries, or the executable) and the annotation will be a necessity
to keep the linkage working on Windows.
That's all that this sweeping commit does.
... Which will be needed for various reasons for Windows builds of certain
modularizations, which will otherwise complain that they can no longer
generate them as inlines.
In one case, deleted copies require explicitly defaulted moves, but they will
work as generated inline.