Konrad Windszus created DOXIA-662:
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Summary: Non unique IDs generated by IndexingSink
Key: DOXIA-662
URL: https://issues.apache.org/jira/browse/DOXIA-662
Project: Maven Doxia
Issue Type: Bug
Components: Core
Affects Versions: 2.0.0-M3
Reporter: Konrad Windszus
If a HTML source contains non-unique headlines (i.e. two or more headlines with
the same text) in a single HTML page the IDs being generated out of those are
not unique.
That leads to issues with e.g. the TOC macro
(https://github.com/apache/maven-doxia/blob/2aea4500ba6559b91fe3a4b83a5d3aafc10116b4/doxia-core/src/main/java/org/apache/maven/doxia/macro/toc/TocMacro.java#L155)
which writes an anchor link leveraging that id.
The problematic line is
https://github.com/apache/maven-doxia/blob/2aea4500ba6559b91fe3a4b83a5d3aafc10116b4/doxia-core/src/main/java/org/apache/maven/doxia/index/IndexingSink.java#L314
which just uses the (sanitized) title as id. In case of conflicts the title
needs to be suffixed with an index to be unique.
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