[Ltru] DOCTYPE ltru

[Frank Ellermann <nobody at xyzzy.claranet.de>]

For the XML fans, below you find a possible DTD for the
ltru2xml script posted yesterday.  I've never tried that
before, probably it's clumsy.  The W3C validator accepts
it for a converted registry.

Frank

<?xml version="1.0" encoding="US-ASCII" standalone='yes' ?>

<!DOCTYPE ltru [
<!ELEMENT ltru (language*, extlang*, script*, region*, variant*,
grandfathered*, redundant*)>
<!ATTLIST ltru
        date NMTOKEN #REQUIRED
>

<!ELEMENT language (suppress?, deprecated?, description+, comment*)>
<!ATTLIST language
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT extlang (prefix, deprecated?, description+, comment*)>
<!ATTLIST extlang
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT script (deprecated?, description+, comment*)>
<!ATTLIST script
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT region (deprecated?, description+, comment*)>
<!ATTLIST region
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT variant (prefix*, deprecated?, description+, comment*)>
<!ATTLIST variant
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT grandfathered (deprecated?, description+, comment*)>
<!ATTLIST grandfathered
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT redundant (deprecated?, description+, comment*)>
<!ATTLIST redundant
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT suppress EMPTY>
<!ATTLIST suppress
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT prefix EMPTY>
<!ATTLIST prefix
        tag  NMTOKEN #REQUIRED
>

<!ELEMENT deprecated EMPTY>
<!ATTLIST deprecated
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #IMPLIED
>

<!ELEMENT description (#PCDATA)>
<!ELEMENT comment (#PCDATA)>
]>

<ltru date='2006-08-04'>
<language date='2005-10-16' tag='aa'>
        <description> Afar </description>
</language>
<!-- etc. --></ltru>



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