How to set pdfminorversion in LMTX?

How to set pdfminorversion in LMTX?

[Aditya Mahajan]

Hi,

How do I set pdfminorversion in LTMX. Both \pdfminorversion and \pdfvariable minorversion fail with undefined control sequence.

Thanks,
Aditya
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Re: How to set pdfminorversion in LMTX?

[Henri Menke]

On 10/08/20, 01:20, Aditya Mahajan wrote:
> Hi,
> 
> How do I set pdfminorversion in LTMX. Both \pdfminorversion and \pdfvariable minorversion fail with undefined control sequence.

Does lpdf.setversion(major, minor) work in LMTX?

Cheers, Henri

> 
> Thanks,
> Aditya
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
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Re: How to set pdfminorversion in LMTX?

[Aditya Mahajan]

On Mon, 10 Aug 2020, Henri Menke wrote:

> On 10/08/20, 01:20, Aditya Mahajan wrote:
>> Hi,
>> 
>> How do I set pdfminorversion in LTMX. Both \pdfminorversion and \pdfvariable minorversion fail with undefined control sequence.
>
> Does lpdf.setversion(major, minor) work in LMTX?

It does not give an error, but it doesn't change the minor version either.

Aditya
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Re: How to set pdfminorversion in LMTX?

[Wolfgang Schuster]

Aditya Mahajan schrieb am 10.08.2020 um 09:11:
> On Mon, 10 Aug 2020, Henri Menke wrote:
>
>> On 10/08/20, 01:20, Aditya Mahajan wrote:
>>> Hi,
>>>
>>> How do I set pdfminorversion in LTMX. Both \pdfminorversion and 
>>> \pdfvariable minorversion fail with undefined control sequence.
>>
>> Does lpdf.setversion(major, minor) work in LMTX?
>
> It does not give an error, but it doesn't change the minor version 
> either.

1. A better solution for this is to add a key to \setupbackend.

2. It doesn't work because when you set the version it's too late 
because ConTeXt already wrote the PDF header (the relevant code is in 
lpdf-lmt.lmt).

This is a problem because when you set a PDF format the version entry is 
ignored in the header (but it's correct in catalogue entry).


%% begin example
\setupbackend[format=PDF/X-1a:2003]

\starttext
Hello TeX.
\stoptext
%% end example

%% begin pdf file (snippet from the example above, compare the version 
numbers)
%PDF-1.7
%ÃÏÎÔÅØÔÐÄÆ
...
<< /Lang (en) /Metadata 7 0 R /PageLabels << /Nums [ 0 << /S /D /St 1 >> 
] >> /PageMode /UseNone /Pages 15 0 R /Type /Catalog /Version /1.4.0 >>
...
%% end pdf file

Wolfgang

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