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https://issues.apache.org/jira/browse/WW-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17724228#comment-17724228
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Lukasz Lenart commented on WW-5307:
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I cleaned up the pages a bit, please verify if now it's better
https://struts.staged.apache.org/tag-developers/ognl
https://struts.staged.apache.org/tag-developers/ognl-basics
> Confusing documentation about ognl
> ----------------------------------
>
> Key: WW-5307
> URL: https://issues.apache.org/jira/browse/WW-5307
> Project: Struts 2
> Issue Type: Bug
> Components: Documentation
> Reporter: nikos dimitrakas
> Priority: Major
> Fix For: 6.2.0
>
>
> The documentation at [https://struts.apache.org/tag-developers/ognl] seems to
> confuse selection and projection. There is no example of projection and the
> examples of the three types of selection are called projection.
> The documentation at
> [https://commons.apache.org/proper/commons-ognl/language-guide.html] is
> correct and shows projection correctly in one section with the example
> listeners.\{delegate} and shows selection with examples in a separate section
> immediately after the projection section. Selection and projection are also
> separately explained in the table in the appendix at the bottom of the same
> page.
> Perhaps the documentation of struts should have a link to the documentation
> of ognl instead of having its own examples. Or if there should be examples in
> the struts documentation, there should be examples for both projection and
> selection.
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