\pdfmajorversion

[Joseph Wright]

On 27/11/2019 22:47, Karl Berry wrote:
> Joseph, thanks for your \pdfmajorversion patches. I installed them, with
> a few meaningless tweaks to the text, in both pdftex (r817) and
> TL (r52953) source repos, along with (just in pdftex for now) some tests
> and updates to the manual.  Full patch below for the archive.
> 
> The only important thing remaining, AFAIK: evidently the PDF version is
> also a factor with the \pdfimagehicolor primitive and other aspects of
> color in PNG images. (Found while updating the manual.) So I modified
> the tests in writepng.c to try to account for \pdfmajorversion != 1, but
> it's unlikely I got all the logic correct, since the boolean exprs go
> every which way. Can you please review it?  Maybe even come up with some
> 16-bit color PNG images to exercise that code, for extra credit? I just
> ran out of energy.
> 
> Thanks again,
> Karl

Hi Karl,

I've looked over the code: it all looks OK to me. Of course, pre-testing 
will show ;)

Joseph