[LUCENE-9929] NorwegianNormalizationFilter

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0
• Component/s: modules/analysis
• Lucene Fields: New
• Assignee: Jan Høydahl
• Reporter: Jan Høydahl
• Created: 14/Apr/21 14:54
• Updated: 28/Aug/22 16:20
• Resolved: 12/May/21 12:31

Description

The ScandinavianNormalizationFilter applies foldings for aa, ao, ae, oe and oo. But all those five do not make sense for both Norwegian, Swedish and Danish. Implement a separate Norwegian variant, based on the Scandinavian:

<filter class="solr.NorwegianNormalizationFilterFactory"/>

This would have the same rules as ScandinavianNormalizationFilter except it would not fold oo->ø and ao->å.

Issue Links

• links to: GitHub Pull Request #84