Which version deprecated MagickLib

[merlin_SuSE]

I am developing an application that makes use of Magick++ and have found recently about the change of namespace from MagickLib to MagickCore. However as some people are not using the latest versions of ImageMagick I want to make sure that my code compiles with MagickLib as well as MagickCore. I can do this with a version test, but I don't know exactly which version of ImageMagick removed MagickLib.

[magick]

We formally introduced the now permanent namespaces of MagickCore and MagickWand as of ImageMagick 6.4.2.

[merlin_SuSE]

Thanks very much for the prompt reply. I will implement that now and hopefully there shouldn't be any more problems.