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Postings from July 2009
> Code relying on ANYTHING in %^H in 5.8.x is broken and wrong. > > I can't see how the documentation could be any clearer than the above. > This isn't a philosophical position that we should have "rigidly defined > areas of doubt and uncertainty". It's a simple practical problem. > > Perl 5 is pretty bloody hard to support right now. We try hard not to break > stuff that is documented as behaving in some fashion, and stuff that is > ambiguous in its documented behaviour. > > It will be impossible to do anything, if people come to expect that even > the parts that are documented as "keep off. may change without warning" > don't change. > I don't think anyone that has used this undocumented behaviour is expecting it to be carved in stone (or at least, I'm not - I won't nag when it'll break). Having an official hook is definitely the solution, but there's also a lot of older perls in the nature and it's good to backport them the feature when it's possible and not too far fetched, even with a few caveats (as long as they are documented). But this definitely has a negative impact on the core development. When the workaround just "works well enough", it's not that compelling to contribute a complete new implementation, especially when you know that your module will need to keep the workaround anyway, while your users upgrade their perl. Vincent.Thread Previous | Thread Next