alt Hacker NewsTo preserve backwards compatibility and not require all those old sites to update, the legacy behavior would have to be the default, with opt-in for the new behavior.
To preserve backwards compatibility and not require all those old sites to update, the legacy behavior would have to be the default, with opt-in for the new behavior.
That is the opposite approach. Also an option. One could also deprecate the call without parameter and force always a parameter with which behaviour. The deprecation could last enough time that those websites would have been rewritten multiple times ;)