If you take a simple latex file like:
\documentclass{article}\usepackage{lipsum}\usepackage{amsgen}\begin{document}\lipsum[1-10]\end{document}
and run latex, pdflatex or lualatex repated times (on the same file) you
get the SAME dvi or pdf file up to an internal DATE and ID in the file --
and eve
Why is it so? And what generates this difference? The question has been
lingering on SX for a while
http://tex.stackexchange.com/questions/292675/why-does-xelatex-produce-different-files-from-the-same-deterministic-sources
but with no reasonable answer!
I wrote a possible answer on SX.
Best,
Ak
> On Feb 19, 2016, at 5:46 PM, Paulo Ney de Souza wrote:
>
> If you take a simple latex file like:
> \documentclass{article}
> \usepackage{lipsum}
> \usepackage{amsgen}
> \begin{document}
> \lipsum[1-10]
> \end{document}
> and run latex, pdflatex or lualatex repated times (on the same file) you g
If I remember well, there is (was ?) some kind of objective for backward
compatibility, namely that all (updates of) versions of all TeX engines should
produce the exact same output for a given input file. The background being that
any TeX file that used to compile correctly in the past should a
