[pdftex] PDF empty with Acrobat / xpdf

Philippe CHAUVAT pchauvat at laposte.net
Tue Jun 28 09:48:15 CEST 2011

Hello James

Thanks a lot for your help. Finding this is really helpful. Actually,
modifications made are mainly to include background pages, like
\if at entete
and then
  \if at entete
So, except if I destroyed or modified something else, this should have
no side effect like those.

Original Tex class is joined.

Le 27/06/2011 23:18, James Quirk a écrit :
> Martin,
> On Mon, 27 Jun 2011, Martin Schröder wrote:
>> 2011/6/27 James Quirk <jjq at galcit.caltech.edu>:
>>> For your test PDF, Linux Adobe Reader 7.0.8 pops up an alert box
>>> "Wrong operand type" which suggests that your PDF is malformed.
>>> Hence the blank page. Higher versions of Linux AR all fail silently.
>> Adobe Pro X/Win shows it without problems and reports no errors preflighting it.
> Attached is Philippe's test file with object 7 uncompressed. You'll 
> notice I've deactivated the line:
>    0 0 0 0 0 0 cm
> it is the one which gives the "Wrong operand type" message at my end. And 
> without it the file renders fine with Linux AR, at least for all the 
> versions I have. So the file is malformed in the sense that multiplying 
> the current transformation matrix by a null matrix is a bad idea; Philippe 
> is this one of your mods? All I can think is that Adobe Pro X/Win 
> ingnores the concatenation, ditto for xpdf. When I get the chance I'll
> delve into xpdf's source to see what it does. 
> James
>> Best
>>    Martin
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