[poppler] Get/Set PDF ID

[Carlos Garcia Campos]

Excerpts from srinivas adicherla's message of vie jun 18 08:16:22 +0200 2010:
> Hi,
> 
>     First of all thank you all for giving me suggestions & comments. I made
> changes to the previous patch and attached the new patch for getting/setting
> PDF ID.
> I attached the patch without having the API Documentation. I will do it as
> early as possible. I think I made indentation correctly this time. Mean
> while, send me suggestions/comments about this patch.
> If possible tell me how to add API documentation.
> 
> @Carlos Garcia : I also thought that PDFDoc::SaveAS() will set the ID in the
> document. But that is not always.
> 
> In PDFDoc::saveAs(GooString *filename,PDFWriteMode mode). We have to pass
> the mode as writeForceRewrite then only it generates the ID and set it. But
> I tried with some PDF files, It is setting the ID in the trailer dictionary,
> but it is loosing the data. I don't know why it is happening.  It has
> happened for all pdf files I have checked so far.

In that case it's a bug in saveAs(), let's fix it instead of adding a
new method to work around it. 

> Thanks
-- 
Carlos Garcia Campos
PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x523E6462
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