Applying Postel's Law to XML, from a Unicode perspective?

From: Costello, Roger L. <>
Date: Sun, 28 Jun 2015 12:31:51 +0000

Hi Folks,

Postel's Law says:

        Be liberal in what you accept, and
        conservative in what you send.

How might Postel's Law be applied to web services that receive XML and sends out XML?

Here's one idea: a web service is willing to receive UTF-8 XML documents containing a pseudo-BOM; the web service sends out UTF-8 XML documents without the pseudo-BOM.

Can you think of Unicode errors in inbound XML documents that a web service might be willing to accept?

Received on Sun Jun 28 2015 - 07:33:43 CDT

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