Add support for parsing binary data in RTF files
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                 Key: TIKA-782
                 URL: https://issues.apache.org/jira/browse/TIKA-782
             Project: Tika
          Issue Type: Improvement
          Components: parser
    Affects Versions: 1.0
            Reporter: Arjohn Kampman
         Attachments: bin.patch

The current RTF parser doesn't process \bin control words yet. These control 
words are followed by a specific amount of binary data. Because of this, the 
RTF parser trips over some of these bytes in a number of (classified) documents.

I've implemented processing of the \bin control word, but it required of the 
core parsing algorithm. IMHO, it also improved readability of the code. I hope 
you will accept this patch. Please let me know if the patch requires 
modifications.

Apart from the \bin code word, this patch also makes the parser stop after 
reading the document-closing '}' character. In a number of files (again, 
classified), the parser would include non-readable characters that appeared 
after this closing brace.

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