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Topic: Asian text copy and paste problem
Conf: (P-PDF) Developers, Msg: 32720
From: xiao
Date: 1/12/2002 07:59 AM

Hi, PDF gurus,

I got an Asian text copy and paste problem. The following is what I did. I created a CID-keyed font (TrueType), embedded the font program. At the same time, I put a ToUnicode (cmap) in the PDF description to map glyph index to its unicode. When I open this file through Acrobat, select the text, and copy, then paste it to a text editor. To my strange, I got Shift-JIS Japanese code (the reason I know they are the shift-JIS code is, I save the text file as a HTML file and open it through IE 6.0, and switch different encoding, only shift-JIS shows right glyph. Why Japanese?). I have another PDF file, created through Adobe PDFWrite, almost the same PDF structure. I did the same operations above. I got the GB code.

My question is, what kind of information in PDF which Acrobat picks up to convert from unicode to specific code (GB or Big5 or shift-JIS)?

Any help is appreciated. Thank you!

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