[tex-live] \pdfdecimaldigits=3

David Carlisle d.p.carlisle at gmail.com
Wed Jan 20 00:54:54 CET 2016

On 19 January 2016 at 23:50, Karl Berry <karl at freefriends.org> wrote:

> Hi David,
>     Currently pdftexconfig.tex sets \pdfdecimaldigits=3
>     In other words was there a particular reason to choose 3....
> Not that I know of, but then I probably wouldn't know.  (Ross, Thanh?)
> However, in any case ... changing it at this late date would mean, I
> think, that most PDF output from pdftex would be gratuitiously different
> from what was produced before.  That doesn't sound like a good outcome.
> On the badness scale, I'd say that's rather worse than not being able to
> share settings ... -k
> As you may have seen I've queried this on luatex list but haven't yet got
a reply giving any rationale for
why the change was needed, given the small amount of calculation in a pdf
file it seems
surprising that 4dp is really needed and just makes the file bigger.
perhaps luatex will revert to allowing 3.....


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