Is this invalid?

Rick Jelliffe ricko at
Mon Mar 22 16:34:52 GMT 1999

 From: Didier PH Martin <martind at>
>Is this markup an invalid XML element?
><!AFDR "ISO/IEC 10744:1997">

>In which document is this listed? I know that these are all valid SGML
>markup and there is ISO documents on it, but where can I find W3C
>giving that information?

It is not valid XML. The AFDR markup type was invented to signify that
the file was *not* SGML or XML. (What a strange thing to do: it is the
kiss of death. )

Rick Jelliffe

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