[xsde-users] Feature request: validate empty xs:base64binary element

[Vrijnsen, Jeroen]

Hi Boris,

I think it's here: https://www.w3.org/TR/xmlschema11-2/#base64Binary, section Value space: "The *value space* of base64Binary is the set of finite-length sequences of zero or more binary octets."

Furthermore, it defines the following regular expression:
((([A-Za-z0-9+/] ?){4})*(([A-Za-z0-9+/] ?){3}[A-Za-z0-9+/]|([A-Za-z0-9+/] ?){2}[AEIMQUYcgkosw048] ?=|[A-Za-z0-9+/] ?[AQgw] ?= ?=))?

which also suggest empty is allowed. But maybe I misunderstand, as I assume you know the standard pretty well.

-Jeroen

-----Original Message-----
From: Boris Kolpackov [mailto:boris at codesynthesis.com]
Sent: 2017 Feb 17 3:18 PM
To: Vrijnsen, Jeroen
Cc: xsde-users at codesynthesis.com
Subject: Re: [xsde-users] Feature request: validate empty xs:base64binary element

Hi Jeroen,

> It is reported as being invalid, as base64-binary element is empty.
> However, the XSD standard allows this (although vague about it).

Can you point me to where the standard says this is allowed?

Thanks,
Boris

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