On Friday, March 13, 2015 at 8:29:13 AM UTC-4, Jan wrote:
>
> I noticed that when I use tesseract to create a searchable pdf (I use
> pdfsandwich fot this), some characters are not displayed and are replaced
> by blank spaces instead. If I, however, ocr the same file with tesseract
> only in order to obtain a plain text (I use OCRfeeder), everything is
> recognized AND displayed properly. It seems as if tesseract had issues
> exporting some characters specifically to PDFs, even though it's obviously
> capable of recognizing them. This happens with quotation marks, ligatures
> ("Th", "ff", etc.) but also, for example, with some special Czech
> characters such as "ě", "č," or "š" (even when the option "-l ces" is
> activated). Does anybody have an idea what can be wrong?
>
There's some discussion on this bug report which may be relevant:
http://bugs.ghostscript.com/show_bug.cgi?id=695869
It doesn't sound like the same problem, but it could be related.
Tom
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