But AFAIK the newer versions have made it somewhat of a normal language
Yup! The language maintainers have been slowly and surely standardizing the behavior you mentioned, first deprecating it, then issuing a runtime warning, and finally making those old behaviors throw exceptions in new versions. The latest set of warnings are new in 8.3 and will be fully corrected in 9.0.
Yup! The language maintainers have been slowly and surely standardizing the behavior you mentioned, first deprecating it, then issuing a runtime warning, and finally making those old behaviors throw exceptions in new versions. The latest set of warnings are new in 8.3 and will be fully corrected in 9.0.