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https://issues.apache.org/jira/browse/TIKA-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17380846#comment-17380846
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Tim Allison commented on TIKA-3479:
-----------------------------------

https://github.com/albfernandez/juniversalchardet/issues/16

> UniversalCharsetDetector in 2.x is misidentifying windows-1250 as ISO-8859-1
> ----------------------------------------------------------------------------
>
>                 Key: TIKA-3479
>                 URL: https://issues.apache.org/jira/browse/TIKA-3479
>             Project: Tika
>          Issue Type: Task
>    Affects Versions: 2.0.0-BETA
>            Reporter: Tim Allison
>            Priority: Minor
>         Attachments: Bates.Motel.S02E08.HDTV.x264-KILLERS.srt
>
>
> We've lost quite a few "common words" for Czech and Slovak text files in 2.x 
> vs. 1.x.  The key issue appears to be the following (which we do not have in 
> 1.x).
> {noformat}
>     /*
>      * hex value 0x81, 0x8d, 0x8f, 0x90 don't exist in charset windows-1252.
>      * If these value's count > 0, return true
>      * */
>     private Boolean hasNonexistentHexInCharsetWindows1252() {
>         return (statistics.count(0x81) > 0 || statistics.count(0x8d) > 0 ||
>                 statistics.count(0x8f) > 0 || statistics.count(0x90) > 0 ||
>                 statistics.count(0x9d) > 0);
>     }
> {noformat}
> The icu4j detector detects windows-1250 (not supported by the 
> UniversalEncodingDetector), and the characters decoded with encoding do 
> better on google. windows-1252 is _generally_ a better match for windows-1250 
> than ISO-8859-1.
> Not sure how best to handle this...



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