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From "Sean Timm (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1390) add ISOLatinAccentFilter and deprecate ISOLatin1AccentFilter
Date Wed, 03 Dec 2008 14:35:45 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652808#action_12652808
] 

Sean Timm commented on LUCENE-1390:
-----------------------------------

>From my brief reading, it seems that "ae" would be the best transliteration for the schwa
character.  "Some people write 'æ' instead if the schwa is not available. "

http://www.omniglot.com/writing/azeri.htm

> add ISOLatinAccentFilter and deprecate ISOLatin1AccentFilter
> ------------------------------------------------------------
>
>                 Key: LUCENE-1390
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1390
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Analysis
>         Environment: any
>            Reporter: Andi Vajda
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: ASCIIFoldingFilter.patch, ASCIIFoldingFilter.patch, ISOLatinAccentFilter.java
>
>
> The ISOLatin1AccentFilter is removing accents from accented characters in the ISO Latin
1 character set.
> It does what it does and there is no bug with it.
> It would be nicer, though, if there was a more comprehensive version of this code that
included not just ISO-Latin-1 (ISO-8859-1) but the entire Latin 1 and Latin Extended A unicode
blocks.
> See: http://en.wikipedia.org/wiki/Latin-1_Supplement_unicode_block
> See: http://en.wikipedia.org/wiki/Latin_Extended-A_unicode_block
> That way, all languages using roman characters are covered.
> A new class, ISOLatinAccentFilter is attached. It is intended to supercede ISOLatin1AccentFilter
which should get deprecated.

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