[OS X TeX] Sierra 10.12.4
Richard M. Koch
koch at uoregon.edu
Wed Apr 5 03:43:42 CEST 2017
Your version of the file works fine.
So we know that this particular pdf file is malformed, but probably not by LaTeX. This is good
news on two different counts, Many thanks for the information, Ross.
It may be that all of the bugs in Sierra 10.14.4 are ultimately due to malformed pdf files. In that case we can
be sympathetic with Apple; they are trying to speed up scrolling in pdf for files which obey the specs. Worrying
about files with errors may be down lower in their list.
> On Apr 4, 2017, at 5:28 PM, Ross Moore <ross.moore at mq.edu.au> wrote:
> Hi All.
>> On 5 Apr 2017, at 08:14, Vic Norton <vic at norton.name <mailto:vic at norton.name>> wrote:
>> I’m running the 10.12.4 combo update.
> I’m still on 10.10.5 and so none of these problems, but …
>> I just opened Néstor’s link
>> https://mitpress.mit.edu/sites/default/files/titles/content/9780262661829_sch_0001.pdf <https://mitpress.mit.edu/sites/default/files/titles/content/9780262661829_sch_0001.pdf>
>> in Google Chrome. It looked perfect in Chrome. Then I downloaded it to my desktop. The icon on my desktop shows an image of a page with writing on it, but, when I open the document with Skim, it contains nothing but 18 blank pages.
> This document has a badly constructed Annotation that coves the whole of the 1st page.
> See image.
> So I can well understand that if this upsets any software, it’ll happen immediately
> and yes 18 blank pages may well be shown.
> In Acrobat, with a Ctr-click on that 1st page, one gets the option to Edit or Delete
> that Link Annotation. So it seems to know that there is an error.
> (Normally Ctrl-click brings up a menu which allows you to access the Metadata
> and other file-related information.)
> After deleting it, Preflight reports no PDF syntax issues.
> The result is attached here.
> Please report if this still shows the same kind of errors.
> ( ‘cos I cannot tell !! )
>> This is pretty bad!!!! Fortunately, I am having no problems with LaTeX documents that I am working on.
> The metadata does not report this file as having been created by TeX software.
> Maybe it has undergone some post-processing, resulting in Metadata
> being lost or suppressed.
> My conclusion: not an issue regarding LaTeX production of PDFs.
> As for Apple?
> Well it’s a badly formed PDF, which nevertheless has valid content streams.
> It becomes a matter of deciding how to handle badly-formed extra layers
> — which it probably isn’t going to show anyway.
> You want to just ignore the objects, but that is easier said than done,
> the correct syntax hasn’t been followed.
>> P.S. What I see on Google Chrome. Absolutely nothing translates to Skim.
>> <Google ChromeScreenSnapz001.jpeg>
> Hope this helps,
> Dr Ross Moore
> Mathematics Dept | 12 Wally’s Walk, 734
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