Joseph Wright joseph.wright at morningstar2.co.uk
Mon Oct 21 16:03:53 CEST 2019

On 21/10/2019 14:59, Joseph Wright wrote:
> On 21/10/2019 11:54, Joseph Wright wrote:
>> On 20/10/2019 22:03, Joseph Wright wrote:
>>> On 20/10/2019 21:34, Joseph Wright wrote:
>>>> Hello all,
>>>> I've started looking at PDF-2.0 support for pdfTeX. The attached 
>>>> introduces \pdfmajorversion for the binary: I need to look at the 
>>>> manual too.
>>>> At present, this does *not* address PDF inclusion: that requires 
>>>> minimal changes in the WEB but more significant changes in the C, 
>>>> and that looks more 'interesting'. I'm sending this first so others 
>>>> can test, etc.
>>>> Feedback welcome.
>>>> Joseph
>>> I'm working slowly on other stuff:
>>> https://github.com/josephwright/texlive-source/tree/PDF-2.0
>>> Joseph
>> Updated version of the patch is attached. This should cover all of the 
>> key points:
>> - PDF major version is allowed from 1 upward
>> - Minor fixes compared with previous patch
>> - Image inclusion checks \pdfmajorversion
>> Some of the error messages were a bit long if I said both 
>> \pdfmajorversion and \pdfminorversion, hence the re-phrasing.
>> Testing to date has been (a) does it build (Ubuntu as WSL, Travis-CI) 
>> and (b) does a very simple LaTeX document work. I'm pretty confident 
>> that setting "%PDF-2.0" is fine, but the image inclusion part may be 
>> more tricky. (In particular, I'm not sure whether the build set up 
>> uses the Poppler branch for PDF data retrieval.)
>> Joseph
> BTW, I will look to do the manual: I had to remember where it was ... 
> (For reference, http://tug.org/svn/pdftex/branches/stable/doc/ rather 
> than the obvious http://tug.org/svn/pdftex/trunk/doc.)
> Joseph

Also, are the older (1.30) \pdfoptionpdf... names still useful? They 
make life more 'interesting' reading the WEB, and would be easy enough 
to remove.


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