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- From: "DuCharme, Robert" <DuCharmR@moodys.com>
- To: xml-dev@ic.ac.uk
- Date: Tue, 9 Nov 1999 12:10:55 -0500
Below is the output of Earl Hood's dtddiff utility (see
http://www.oac.uci.edu/indiv/ehood/perlSGML.html for his collection of
perlSGML utilities) when comparing the DTD from the November 5th draft of
the W3C XML Schema proposal with the one from the September 24th version.
The two-column arrangement is easier to read in monospaced type. Note that
content model differences are highlighted by the use of all caps for the
changed parts.
Bob DuCharme www.snee.com/bob <bob@
snee.com> "The elements be kind to thee, and make thy
spirits all of comfort!" Anthony and Cleopatra, III ii
----------------------------------------------------------------------
New Elements/Attributes (xmlschema11-99.dtd)
----------------------------------------------------------------------
<export groups> <group export>
<group ref> <group schemaabbrev>
<group schemaname> <import groups>
<include groups> <pattern>
<period>
----------------------------------------------------------------------
Old/removed Elements/Attributes (xmlschema9-99.dtd)
----------------------------------------------------------------------
<export modelgroups> <import modelgroups>
<include modelgroups> <lexicalrepresentation>
<modelgroup> <modelgroup export>
<modelgroup name> <modelgroup order>
<modelgroupref> <modelgroupref maxoccurs>
<modelgroupref minoccurs> <modelgroupref name>
<modelgroupref schemaabbrev> <modelgroupref schemaname>
----------------------------------------------------------------------
Content Rule Differences
----------------------------------------------------------------------
------------------------------------------------------------
<ARCHETYPE>
<< old content rule <<
(refines*,
((element|group|MODELGROUPREF)*|datatypequal?),
(attribute|attrgroupref)*)
>> new content rule >>
(refines*,
((element|group)*|datatypequal?),
(attribute|attrgroupref)*)
------------------------------------------------------------
<ATTRIBUTE>
<< old content rule <<
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|
LEXICALREPRESENTATION|enumeration|length|maxlength|encoding)*
>> new content rule >>
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|pattern|
enumeration|length|maxlength|encoding|period)*
------------------------------------------------------------
<DATATYPE>
<< old content rule <<
(basetype,
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|
LEXICALREPRESENTATION|enumeration|length|maxlength|encoding)*)
>> new content rule >>
(basetype,
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|pattern|
enumeration|length|maxlength|encoding|period)*)
------------------------------------------------------------
<DATATYPEQUAL>
<< old content rule <<
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|
LEXICALREPRESENTATION|enumeration|length|maxlength|encoding)*
>> new content rule >>
((mininclusive|minexclusive)|
(maxinclusive|maxexclusive)|
(maxabsolutevalue,minabsolutevalue)?|precision|scale|pattern|
enumeration|length|maxlength|encoding|period)*
------------------------------------------------------------
<GROUP>
<< old content rule <<
(element|group|MODELGROUPREF)+
>> new content rule >>
(element|group)*
------------------------------------------------------------
<SCHEMA>
<< old content rule <<
((import*,include*,export?,
(comment|datatype|archetype|element|attrgroup|MODELGROUP|notation|
textentity|externalentity|unparsedentity)*))
>> new content rule >>
((import*,include*,export?,
(comment|datatype|archetype|element|attrgroup|group|notation|
textentity|externalentity|unparsedentity)*))
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