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http://jira.codehaus.org/browse/MNG-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=158831#action_158831
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Stefan Franke commented on MNG-3926:
------------------------------------
one use case is this
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<additionalConfig>
<file>
<name>.checkstyle</name>
<url>file://path/to/file</url>
<content>${varies}</content>
</file>
</additionalConfig>
</configuration>
if ${varies} is unset, the url is used.
if ${varies} is set its content is used.
But creating an empty file does not work.
> Spaces if properties are not preserved if using CDATA
> -----------------------------------------------------
>
> Key: MNG-3926
> URL: http://jira.codehaus.org/browse/MNG-3926
> Project: Maven 2
> Issue Type: Bug
> Affects Versions: 2.0.9
> Reporter: Stefan Franke
> Fix For: 2.0.x
>
>
> Using a property like this one:
> <properties>
> <cdata><![CDATA[ ]]></cdata>
> </properties>
> results into an empty property (see effective-pom):
> <properties>
> <cdata/>
> </properties>
> which is wrong.
> See also the XML spec:
> "Note that a CDATA section containing only white space or a reference to an
> entity whose replacement text is character references expanding to white
> space do not match the nonterminal S"
> which also stats that white spaces inside CDATA must not be trimmed away.
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