As Microsoft is a constant target of IP litigation, they are understandably shy when it comes to integrating code with a questionable pedigree.

因为微软一直是知识产权诉讼的起诉对象，所以当要集成来源不清的非纯粹微软代码时，微软会比较谨慎就不难理解了。

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Despite his questionable pedigree and punching power Afolabi punished Maccarinelli's casual defence in the ninth in the most emphatic style, when a huge overhand right came from nowhere to floor the Welshman.

BBC: Warren's warning to Maccarinelli