> On 28 Feb 2018, at 17:59, Christiaan Hofman <[email protected]> wrote:
>
>
>
>> On 28 Feb 2018, at 17:49, Glenn Hollingsworth <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Forgive me if this has been covered, but I've been searching for awhile and
>> haven't found anything specific.
>>
>> I'm trying to copy a Skim-annotated PDF from my 15" MacBook running El
>> Capitan to my 12" MacBook running High Sierra. The PDF is read-only with
>> AES-128 encryption (I have no idea what this means, but figure it might be
>> useful). After trying to transfer via wifi or USB, when I open the PDF on
>> the 12" MacBook, the Notes pane shows up populated with the notes as would
>> be expected, however 1) the page numbers are missing and 2) none of the
>> annotations actually show up in the document itself.
>>
>> Is this due to the fact the PDF is read-only? If so, is there a workaround?
>>
>> Thanks.
>>
>> Glenn
>
> It may be caused by the encryption. You do need a password to open the file?
> Of course this should not happen, though it will be hard to avoid. I’ll have
> to look into it.
>
> As a workaround, if this is the problem, I can imagine two solutions.
>
> 1. Make sure you check to automatically save passwords in the General prefs,
> and make sure you save the password for the file (when you open the file). If
> you then re-open the file, the problem should not occur anymore. If at some
> point you have saved the file after it was opened in the wrong state, you
> may have to replace the saved file with the original with the correct notes.
>
> 2. save the file and a separate .skim file for the notes (export as Skim
> notes) on the system where things work. You can then read in the notes from
> the .skim file after you have entered your password.
>
> Christiaan
>
It may be that I did not fully understand then problem you had. Do you need to
enter a password to view the PDF? If not, it may be that the PDF has further
restrictions placed on it. In particular, the PDF may not allow annotations to
be added. before High Sierra Apple did not support this, so this restriction
was just ignored. In High Sierra Apple is now supporting this restriction, and
it may well be that Apple therefore also enforces it by not allowing any
annotations to be added to the PDF. This can explain what you see there. It may
also be impossible to work around, as we depend on Apple’s code to actually add
the notes to the document. The only remedy would then be the owner password,
which you probably do not have.
I have actually never noticed a PDF that has these restrictions, and I don’t
seem to be able to find one on my computer. Could you perhaps send me the PDF,
best directly to me off the mailing list?
Christiaan
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