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   Question about XML Syntax : External Parameter Entity

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  • From: KAZUMI Saito <ksaito@flab.fujitsu.co.jp>
  • To: xml-dev@lists.xml.org
  • Date: Fri, 28 Jul 2000 16:37:25 +0900

I have an question about external parameter entity.

Some of XML parsers can parse following samples without error.

------  a1.xml  ------
<?xml version="1.0"?>
<!DOCTYPE doc SYSTEM "a3.dtd" [
<!ELEMENT doc (a | c)*>
<!ENTITY % A  SYSTEM "a.ent">
<!ELEMENT c (%A;)>

-----   a.ent   -----

But, the XML errata (http://www.w3.org/XML/xml-19980210-errata.) says,

  Section 2.8 
   To the paragraph before production [30], add "The external subset
   and any external parameter entities referred to in the DTD must
   match the production for extPE. See 4.3.2 Well-Formed Parsed Entities". 

After this errata is applied, since the a.ent does not match the production
for extPE[79], above sample is wrong?

Please suggest me.

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