However, of potentially greater importance is the level of futureproofing it introduces, particularly in the application integration space.
不过，可能更为重要的是其带来的前瞻性品质认证，特别是在应用程序集成方面更是如此。
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The similarity is that both provide a way to cope with unknown elements and functions; the difference is that for future-proofing, the unknowns are in the XSLT namespace.