Accent insensitive indexation is not done properly in French

[ Steps to reproduce ]

Enable French language in tomcat/shared/classes/alfresco/extension/web-client-config-custom.xml
<config evaluator="string-compare" condition="Languages">
<languages>
<language locale="fr_FR">French</language>
</languages>
</config>

Changing the indexer to have insensitive search in
tomcat/webapps/alfresco/WEB-INF/classes/alfresco/model/dataTypeAnalyzers_fr.properties

d_dictionary.datatype.d_text.analyzer=org.alfresco.repo.search.impl.lucene.analysis.FrenchSnowballAnalyserThatRemovesAccents
d_dictionary.datatype.d_content.analyzer=org.alfresco.repo.search.impl.lucene.analysis.FrenchSnowballAnalyserThatRemovesAccents

Create a file "elephant.txt" without any content

[ Actual Result ]

trying to search the file doesn't get any result.

[ Expected Resut ]

creating a file "elephant.txt" or "éléphant.txt" is given as a result when searching "elephant", "élephant", "éléphant" or "eléphant"

Not fixed in 3.2.1