This response mostly addresses the comments, but its main point is that 11th c. “language contact” syntactic changes suggest that Norse was expanding while West Saxon was contracting.

中文翻译：

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挪威语，还是什么？

该回复主要针对评论，但要点是11th c。“语言接触”的句法变化表明，在西撒克逊人收缩的同时，北欧人正在扩大。