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https://issues.apache.org/jira/browse/MSITE-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577912#comment-17577912
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Michael Osipov commented on MSITE-910:
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OTOH, all magic happens in Maven Doxia Sitetools. We need to check this.
> Allow skipping auto-generated breadcrumb item for parent module
> ---------------------------------------------------------------
>
> Key: MSITE-910
> URL: https://issues.apache.org/jira/browse/MSITE-910
> Project: Maven Site Plugin
> Issue Type: Improvement
> Components: multi module
> Affects Versions: 3.12.1
> Reporter: Konrad Windszus
> Priority: Major
>
> Currently it is not possible to *not* render a breadcrumb link for a parent
> module in a multi module build
> (https://maven.apache.org/plugins/maven-site-plugin/examples/sitedescriptor.html#Breadcrumbs).
> I have the following setup
> {code}
> + grandparent
> + src/site.xml (containing breadcrumbs)
> + parent
> + mymodule
> {code}
> In such a setup it is impossible to remove breadcrumb being automatically
> inserted for {{parent}}.
> Adding another {{src/site.xml}} to {{parent}} with an empty {{breadcrumbs}}
> section does not help. Adding there at least one {{item}} overwrites the
> breadcrumbs from {{grandparent}} (in case the name does not overlap) but this
> requires to repeat the breadcrumbs from the {{parent}}.
> Please make the inheritance of breadcrumbs more flexible (similar to
> https://maven.apache.org/doxia/doxia-sitetools/doxia-decoration-model/decoration.html#menu)
> to allow to merge breadcrumbs with the parent or to skip automatically
> adding a breadcrumb.
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