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I was wondering whether anyone knew the proper PDF metadata key (and value) in order to signify to PDF readers that the PDF in facing mode should be displayed from right-to-left (RTL) and not left-to-right. I use many Arabic PDFs (mainly scanned, not typed) and apparently no one encodes them properly (or whatever software they are using does not support the feature). I would like to edit the metadata so I can view pages in facing mode properly.
(I assume somebody who creates PDFs of Japanese manga, as well as Hebrew etc. documents would know this. I was unable to find a real PDF specification regarding this.)
Thank you
Imran
Posted 2013-02-07T23:53:55.223
Reputation: 41
Perhaps this will help.
– Karan – 2013-02-08T00:03:31.680@Karan Thanks a lot! From that link this method did work: "File menu : Properties : Advanced : Reading options : Binding : Right Edge
This will revert page order."
I tried it on a friend's copy of Acrobat (don't have one myself). I'm looking into preferably free methods though. If I could find a metadata editor (CLI or GUI) that allows me to edit the Root object it would be perfect. See link for the info the dev of Sumatra PDF provided. So far I did find BeCyPDFMetaEdit (GUI) which does not seem to allow that, and ditto with pdftk (CLI).
There are lots more PDF metadata editors available, such as this, this, this and so on. I'm sure at least one of them will allow you to specify RTL order.
– Karan – 2013-02-20T20:40:54.040