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The Gentoo Perl versioning scheme
ject:Perl/Version-Scheme The Gentoo Perl Versioning Scheme A common observation/confusion people have is that the versions used on Perl related things in Gentoo don't directly correspond to upstream versions. This is because Upstream uses 2 different schemes, and one of those schemes is fundamentally incompatible with Gentoos.
To make matters interesting, a leading v on a Perl version, or the presence of 2 or more. This means as long as you're familiar with the translation process, you can get highly predictable results instead of a random fractal of confusion. Some competing normalisations have issues in that they don't retain their comparison positions when fed back into Perl comparison functions, and are thus simply less desirable because it requires much more effort to reason about how they work.
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