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https://issues.apache.org/jira/browse/LUCENE-3883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233159#comment-13233159
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Robert Muir commented on LUCENE-3883:
-------------------------------------
Thanks for updating the patch Jim!
one concern doing some very very rudimentary testing:
we have special lowercasing for situations like nAthair -> n-athair,
which the snowball rules then strip:
{noformat}
define initial_morph as (
[substring] among (
'h-' 'n-' 't-' //nAthair -> n-athair, but alone are problematic
(delete)
{noformat}
The problem is if the input initially comes as n-athair, Unicode break rules
will split this up on the hyphen into two tokens {n, athair}. You can visualize
this at http://unicode.org/cldr/utility/breaks.jsp
This means we can add many spurious 'n' tokens in the index...
So we have two potential solutions to this:
# we can simply add 'n', 'h', 't', etc to the stopwords list. This is the
simplest solution. Would this be too aggressive?
# we can add a CharFilter for IrishAnalyzer to prevent this splitting from
happening. This is more complex.
> Analysis for Irish
> ------------------
>
> Key: LUCENE-3883
> URL: https://issues.apache.org/jira/browse/LUCENE-3883
> Project: Lucene - Java
> Issue Type: New Feature
> Components: modules/analysis
> Reporter: Jim Regan
> Priority: Trivial
> Labels: analysis, newbie
> Attachments: LUCENE-3883.patch, irish.sbl
>
>
> Adds analysis for Irish.
> The stemmer is generated from a snowball stemmer. I've sent it to Martin
> Porter, who says it will be added during the week.
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