Quote:
Originally Posted by Knorke
The (old) pdf reader seems to be full of bugs. At the moment I've observed the following:
1) Annotation: Merging does not work when special characters are used in the comment text (see the discussion above)
2) To many comments per page slow down the working speed of the M92 (only for the page with the many comments)
3) The combination of pictures and text can slow down the working speed of the M92 dramatically (possibly related to bug 2?)
4) In some pdf documents the space characters are are not adopted in the comment text (thetextisnotreallyreadable)
Additionally we have still the problem of janek
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Bug 4 has been know for a while and it is not really Onyx's fault. It is also unrelated to the merging functions. Some PDFs have the text layer (the actual text under the scanned page) merged with the scanned images in such a way that individual words are allocated to individual places under the scanned image, respective to single words in it, rather than to entire line or entire block of text. In this way the layout of the scanned page is closely replicated by "actual" text - individual words in the text layer match individual words in image layer.
Now the thing is that in such a case there may be no spaces in the text layer, but naboo_reader (the old pdf reader build on Adobe SDK) does not know about that (hence copied/marked text contains no spaces). Which is (as Booxtor says) caused by a bug in closed-source Adobe SDK and so cannot be fixed by Onyx.
There is also bug 5 (or bug 4 proper) - sometimes some annotations are not merged, even if the output file is produced. I experienced that and there's report of this behaviour
in the Polish forum, so it is confirmed.