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https://issues.apache.org/struts/browse/WW-3299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46969#action_46969
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Musachy Barroso commented on WW-3299:
-------------------------------------
This has been discussed before, x.y.z is allowed by the jsp spec (section
JSP.C.4DTD for TLD, JSP 1.1):
<!--
The taglib tag is the document root, it defines:
tlibversion the version of the tag library implementation
jspversion the version of JSP the tag library depends upon
shortname a simple default short name that could be used by a JSP authoring
tool to create names with a mnemonic value; for example, the it may be used as
the prefered prefix value in taglib directives
uri a uri uniquely identifying this taglib
info a simple string describing the "use" of this taglib, should be
user dis-
cernable
-->
<!ELEMENT taglib (tlibversion, jspversion?, shortname, uri?, info?, tag+) >
<!ATTLIST taglib id ID #IMPLIED
xmlns CDATA #FIXED
"http://java.sun.com/dtd/web-jsptaglibrary_1_1.dtd";
>
<!--
Describes this version (number) of the taglibrary (dewey decimal)
#PCDATA ::= [0-9]*{ "."[0-9] }0..3
-->
> XML validation issue on struts-tags.tld for <tlib-version> which should be in
> X.Y format instead of X.Y.Z
> ---------------------------------------------------------------------------------------------------------
>
> Key: WW-3299
> URL: https://issues.apache.org/struts/browse/WW-3299
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.1.6
> Environment: Any
> Reporter: olivier dupuy
> Priority: Minor
>
> Hi
> I use struts 2.1.6
> If I add struts-stags.tld to my project in WEB-INF as it is perfectly legal
> and referring it in web.xml and if I validate the TLD I get an error on
> <tlib-version>2.2.3</tlib-version>
> My IDE, RSA 7.0.8 built on Eclipse 3.4 I think gives me the errors
> cvc-datatype-valid.1.2.1: '2.2.3' is not a valid value for 'decimal'.
> cvc-type.3.1.3: The value '2.2.3' of element 'tlib-version' is not valid.
> If you open the XSD given at the top of the TLD file
> http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd
> You will find the following definition for
> <xsd:sequence>
> <xsd:group ref="j2ee:descriptionGroup"/>
> <xsd:element name="tlib-version"
> type="j2ee:dewey-versionType">
> <xsd:annotation>
> <xsd:documentation>
> Describes this version (number) of the taglibrary.
> It is described as a dewey decimal.
> </xsd:documentation>
> </xsd:annotation>
> A "Dewey" number, used in libraries and others has only one decimal, see
> http://en.wikipedia.org/wiki/Dewey_Decimal_Classification
> So obviously the number should have a format X.Y and not X.Y.Z, I made the
> change locally and it works.
> Thanks
> Olivier
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