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https://issues.apache.org/jira/browse/PDFBOX-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844854#action_12844854
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Atsuo Ishimoto commented on PDFBOX-654:
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Thank you for the file. I cannot read Chinese, but characters looks
being extracted correctly for me. Could you be more specific about the
problem you found?
> Extracting CJK text
> -------------------
>
> Key: PDFBOX-654
> URL: https://issues.apache.org/jira/browse/PDFBOX-654
> Project: PDFBox
> Issue Type: Improvement
> Components: Text extraction
> Reporter: Atsuo Ishimoto
> Fix For: 1.1.0
>
> Attachments: China.pdf, identity-h.patch
>
>
> This is an update for PDFBOX-420 filed by Takashi Komatsubara.
> In this patch, if "Identity-H" is used as encoding of font and the font
> doesn't supply TO_UNICODE table, then encoding name is generated from CID
> information (Registry and Ordering). This idea is borrowed from pdfminer[1],
> an another PDF library written in Python. I don't see any test failures with
> this patch.
> I have published this patch last year[2], and got some good feedbacks from
> Japanese users[3].
> [1] http://www.unixuser.org/~euske/python/pdfminer/index.html
> [2] https://code.launchpad.net/~aishimoto/+junk/pdfbox-ja,
> https://code.launchpad.net/~aishimoto/+junk/pdfbox-1.0.0-ja
> [3] http://d.hatena.ne.jp/atsuoishimoto/20091211/1260533539
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