XMLSpy and standalone="yse"

[arboboo]

There is only 1 line in my XML file:

<?xml version="1.0" encoding="UAT-8" standalone="yes"?>



But the XMLSpy 2008 reports error:
File C:\Untitled8.xml is not well-formed.
Character 's' is grammatically unexpected
Reason: one of the following is expected (see below)
'?>'
Details
XML production: Production 'TextDecl' not satisfied



When I removed standalone=”yes”, this xml file can pass the validation. Why?


Thanks a lot.

 

[goBoating]

I'm using XMLSpy Version 5 and it does not like a one line file containing

<?xml version="1.0" encoding="UTF-8"?>

However, if I add any single element to the file, like 'anElement', it says it is well-formed.

<?xml version="1.0" encoding="UTF-8"?>
<anElement />

Adding or removing 'standalone="yes"' has no effect.
XMLSpy V5 thinks the following is well-formed.

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<anElement />

'hope this helps

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[tsuji]

Let me show you how to conduct the reasoning. In the w3 xml recommendation, we have this grammar defining what it's meant of an well-formed xml document.
[tt]
[1]document ::= prolog element Misc*
[22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
[23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
[27] Misc ::= Comment | PI | S
[28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S? ('[' intSubset ']' S?)? '>'
[39] element ::= EmptyElemTag | STag content ETag [WFC: Element Type Match][VC: Element Valid]
[/tt]
The only component you cannot spare of is "element". The minimal of element is "EmptyElemTag". So if you want to convey empty info yet through xml document, well-formed by implication, you should have at the minimum an empty tag as root (such as <x />) or some tag with empty content (<x></x>).