Joseph Wright joseph.wright at morningstar2.co.uk
Thu Oct 31 19:01:34 CET 2019

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

Does the patch look OK ... I've heard no comment, and the LaTeX team 
were recently asked about exactly this issue at the macro level!


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