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https://issues.apache.org/jira/browse/TIKA-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ken Krugler updated TIKA-2671:
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Component/s: detector
> HtmlEncodingDetector doesnt take provided metadata into account
> ---------------------------------------------------------------
>
> Key: TIKA-2671
> URL: https://issues.apache.org/jira/browse/TIKA-2671
> Project: Tika
> Issue Type: Bug
> Components: detector
> Reporter: Gerard Bouchar
> Priority: Major
>
> org.apache.tika.parser.html.HtmlEncodingDetector ignores the document's
> metadata. So when using it to detect the charset of an HTML document that
> came with a conflicting charset specified at the transport layer level, the
> encoding specified inside the file is used instead.
> This behavior does not conform to what is [specified by the W3C for
> determining the character encoding of HTML
> pages|https://html.spec.whatwg.org/multipage/parsing.html#determining-the-character-encoding].
> This causes bugs similar to NUTCH-2599.
>
> If HtmlEncodingDetector is not meant to take into account meta-information
> about the document, then maybe another detector should be provided, that
> would be a CompositeDetector including, in that order:
> * a new, simple, MetadataEncodingDetector, that would simply return the
> encoding
> * the existing HtmlEncodingDetector
> * a generic detector, like UniversalEncodingDetector
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