Nicolas Guillaumin created TIKA-914:
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             Summary: Invalid self-closing title tag when parsing an RTF file
                 Key: TIKA-914
                 URL: https://issues.apache.org/jira/browse/TIKA-914
             Project: Tika
          Issue Type: Bug
          Components: parser
    Affects Versions: 1.1
         Environment: Reproduced on Linux and Windows
            Reporter: Nicolas Guillaumin
            Priority: Minor
         Attachments: test.rtf

When parsing an RTF file with an empty TITLE metadata, the resulting HTML 
contains an self-closing title tag:
{code}
$ java -jar tika-app-1.1.jar -h test.rtf
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<meta name="Content-Length" content="830468"/>
<meta name="Content-Type" content="application/rtf"/>
<meta name="resourceName" content="test.rtf"/>
<title/>
</head>
[...]
{code}

I believe self-closing tags are not valid in XHTML, according to 
http://www.w3.org/TR/xhtml1/#C_3 (However there's no XHTML doctype generated 
here, just a namespace...). Anyway this causes some browsers like Chrome to 
fail parsing the HTML, resulting in a blank page displayed.

The expected output would be a non self-closing empty tag: {{<title></title>}}

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