Tarun4201 commented on PR #13348:
URL: https://github.com/apache/maven/pull/13348#issuecomment-6294332895

   <p>In Maven 4+, an empty configuration element (such as {@code 
<param></param>}
   or {@code <param/>}) for a string parameter explicitly sets that parameter 
to an empty string,
   allowing users to override non-empty default values.</p>
   <p>Note: for non-string scalar types (e.g. {@code int}, {@code boolean}), an 
empty element is
   treated as absent and the Java-initialized default is always preserved.</p>
   


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