[Ltru] Re: DOCTYPE ltru

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

> For the XML fans, below you find a possible DTD

Now I tried to add the XREF feature from my REXX registry
validator to the DTD (see below).  That resulted in three
special cases:

zh-cmn  We have no extlang cmn at the moment, therefore I
got a missing ID _cmn.  Problem disabled by special hack.

zh-hakka  Similar, but there will be no _hakka variant,
the "missing" ID _hakka has to be permanently disabled.

The grandfathered zh-cmn and zh-hakka of course exist,
but my parser tries to decompose such tags into IDREFS.

The third problem is apparently a bug in the registry:
missing ID _latn (small L) in yi-latn.  For the REXX
validator I never saw that because it internally works
case-insensitive, but with XML ID _latn is not _Latn.

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
        xml:id ID    #REQUIRED
>
<!ELEMENT extlang (prefix, deprecated?, description+, comment*)>
<!ATTLIST extlang
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
        xml:id ID    #REQUIRED
>
<!ELEMENT script (deprecated?, description+, comment*)>
<!ATTLIST script
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
        xml:id ID    #REQUIRED
>
<!ELEMENT region (deprecated?, description+, comment*)>
<!ATTLIST region
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
        xml:id ID    #REQUIRED
>
<!ELEMENT variant (prefix*, deprecated?, description+, comment*)>
<!ATTLIST variant
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #REQUIRED
        xml:id ID    #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
        ref  IDREFS  #REQUIRED
>
<!ELEMENT suppress EMPTY>
<!ATTLIST suppress
        tag  NMTOKEN #REQUIRED
        ref  IDREF   #REQUIRED
>
<!ELEMENT prefix EMPTY>
<!ATTLIST prefix
        tag  NMTOKEN #REQUIRED
        ref  IDREFS  #REQUIRED
>
<!ELEMENT deprecated EMPTY>
<!ATTLIST deprecated
        date NMTOKEN #REQUIRED
        tag  NMTOKEN #IMPLIED
        ref  IDREFS  #IMPLIED
>
<!ELEMENT description (#PCDATA)>
<!ELEMENT comment (#PCDATA)>
]>

<ltru date='2006-08-04'>
<language date='2005-10-16' tag='aa' xml:id='_aa'>
        <description> Afar </description>
</language>
<!-- etc. -->
<redundant date='2005-04-11' tag='zh-Hant-TW' ref='_zh _Hant _TW'>
        <description> Taiwan Chinese in traditional script </description>
</redundant>
</ltru>



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